Should it work without 1 position ball?

I lost my 4th position ball. I will replace it, but I wanna know: is it will still work with 3 of them, because I'll by balls on internet and I should wait for them to come

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0