Finding the Fourth Proportional to 4,146, 6,219 and 1,410
Calculator
Solution
The fourth proportional to 4,146, 6,219 and 1,410 is: 2,115
Step by Step Solution
- Step 1: Write the proportion equation
4,146 : 6,219 = 1,410 : x - Step 2: Convert to fraction form
4,146/6,219 = 1,410/x - Step 3: Cross multiply
4,146x = 6,219 × 1,410 - Step 4: Simplify right side
4,146x = 8,768,790 - Step 5: Solve for x
x = 8,768,790/4,146 - Step 6: Final answer
x = 2,115
Related Problems
Find fourth proportional to 2,073, 3,109.50 and 705
Half scale
Find fourth proportional to 8,292, 12,438 and 2,820
Double scale
Find fourth proportional to 4,147, 6,220.50 and 1,411
Similar ratio
Find fourth proportional to 6,219, 9,328.50 and 2,115
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.