Home / 9,103.17-12,562.05-5,124.66

Finding the Fourth Proportional to 9,103.17, 12,562.05 and 5,124.66

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Solution

The fourth proportional to 9,103.17, 12,562.05 and 5,124.66 is: 7,071.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,103.17 : 12,562.05 = 5,124.66 : x
  2. Step 2: Convert to fraction form
    9,103.17/12,562.05 = 5,124.66/x
  3. Step 3: Cross multiply
    9,103.17x = 12,562.05 × 5,124.66
  4. Step 4: Simplify right side
    9,103.17x = 64,376,235.15
  5. Step 5: Solve for x
    x = 64,376,235.15/9,103.17
  6. Step 6: Final answer
    x = 7,071.85

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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.