Assuming that the golden ingots cannot be cut/ sub-divided and that everyone wants to get fair share while maximizing his/her own, the best outcome is 2 people getting 3 ingots while 3 people get 2 each.
In this case, it is best for the first elder to suggest an allocation of 2, 3, 3, 2, 2. He will then win the votes of the next 2 elders and the allocation will be ratified.