Steps of construction:
1. Draw any line segment say AB = 10 cm
2. At A, draw a ray AY making an acute angle YAB.
3. Using compass mark five points on AY such that
AP = PQ = QR = RS = ST.
4. Join TB.
5. Through point R draw a line parallel to TB i.e RL which divides AB in the ratio 3 : 2.
On measuring AB we find that AL = 6 cm and LB = 4 cm.