It definitely will. 4k is a very low estimate - just my opinion ofc, based on it's use cases, projects & history since 2017 I would think something like 8-10k is very possible. 4k, absolutely. This of course is only my estimate on it. Everyone should do their own research.
Currently the price of ETH is $3600 and will be very close to the price of $4K, so the chances are clear that it will happen, because ETH is a very popular coin from the past until now so to reach more than $4K it would be very possible to happen
Even if the current price will dump the next day, i know there are still high chances for ethereum to reach $4k before this year ends. My own price prediction will be $5k and that's because ethereum has always been in constant with $3200-$3500 so maybe if it moves upward, $5k might be its last possible target. Bitcoin has always been leading the market and it will be able to hit its new ATH before year ends, then more possible that ethereum too will reach its own target ATH.