The Qatar Racing-owned filly was second over course and distance a fortnight ago and backed that up to win nicely under Andrea Atzeni.
She raced professionally on the heels of the leader Field Of Stars. Andrea asked her for her effort two furlongs out and she picked up smoothly to win confortably by three-quarters of a length.
Roger said: "Fourth Way has done it nicely. She probably would appreciate getting her toe in a bit more and I think we'll step her up in trip."