Home / 9,125.28-13,691.12-4,446.72

Finding the Fourth Proportional to 9,125.28, 13,691.12 and 4,446.72

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Solution

The fourth proportional to 9,125.28, 13,691.12 and 4,446.72 is: 6,671.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.28 : 13,691.12 = 4,446.72 : x
  2. Step 2: Convert to fraction form
    9,125.28/13,691.12 = 4,446.72/x
  3. Step 3: Cross multiply
    9,125.28x = 13,691.12 × 4,446.72
  4. Step 4: Simplify right side
    9,125.28x = 60,880,577.13
  5. Step 5: Solve for x
    x = 60,880,577.13/9,125.28
  6. Step 6: Final answer
    x = 6,671.64

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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.