Home / 8,922.28-13,385.10-3,728.68

Finding the Fourth Proportional to 8,922.28, 13,385.10 and 3,728.68

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Solution

The fourth proportional to 8,922.28, 13,385.10 and 3,728.68 is: 5,593.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.28 : 13,385.10 = 3,728.68 : x
  2. Step 2: Convert to fraction form
    8,922.28/13,385.10 = 3,728.68/x
  3. Step 3: Cross multiply
    8,922.28x = 13,385.10 × 3,728.68
  4. Step 4: Simplify right side
    8,922.28x = 49,908,754.67
  5. Step 5: Solve for x
    x = 49,908,754.67/8,922.28
  6. Step 6: Final answer
    x = 5,593.72

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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.