Home / 8,909.20-12,294.32-4,930.24

Finding the Fourth Proportional to 8,909.20, 12,294.32 and 4,930.24

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Solution

The fourth proportional to 8,909.20, 12,294.32 and 4,930.24 is: 6,803.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.20 : 12,294.32 = 4,930.24 : x
  2. Step 2: Convert to fraction form
    8,909.20/12,294.32 = 4,930.24/x
  3. Step 3: Cross multiply
    8,909.20x = 12,294.32 × 4,930.24
  4. Step 4: Simplify right side
    8,909.20x = 60,613,948.24
  5. Step 5: Solve for x
    x = 60,613,948.24/8,909.20
  6. Step 6: Final answer
    x = 6,803.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.