Home / 8,409.23-12,612.96-3,729.32

Finding the Fourth Proportional to 8,409.23, 12,612.96 and 3,729.32

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Solution

The fourth proportional to 8,409.23, 12,612.96 and 3,729.32 is: 5,593.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409.23 : 12,612.96 = 3,729.32 : x
  2. Step 2: Convert to fraction form
    8,409.23/12,612.96 = 3,729.32/x
  3. Step 3: Cross multiply
    8,409.23x = 12,612.96 × 3,729.32
  4. Step 4: Simplify right side
    8,409.23x = 47,037,763.99
  5. Step 5: Solve for x
    x = 47,037,763.99/8,409.23
  6. Step 6: Final answer
    x = 5,593.59

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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.