Home / 8,909.28-12,294.63-4,930.16

Finding the Fourth Proportional to 8,909.28, 12,294.63 and 4,930.16

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Solution

The fourth proportional to 8,909.28, 12,294.63 and 4,930.16 is: 6,803.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.28 : 12,294.63 = 4,930.16 : x
  2. Step 2: Convert to fraction form
    8,909.28/12,294.63 = 4,930.16/x
  3. Step 3: Cross multiply
    8,909.28x = 12,294.63 × 4,930.16
  4. Step 4: Simplify right side
    8,909.28x = 60,614,493.04
  5. Step 5: Solve for x
    x = 60,614,493.04/8,909.28
  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.