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Finding the Fourth Proportional to 8,737.11, 12,057.15 and 4,758.21

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Solution

The fourth proportional to 8,737.11, 12,057.15 and 4,758.21 is: 6,566.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737.11 : 12,057.15 = 4,758.21 : x
  2. Step 2: Convert to fraction form
    8,737.11/12,057.15 = 4,758.21/x
  3. Step 3: Cross multiply
    8,737.11x = 12,057.15 × 4,758.21
  4. Step 4: Simplify right side
    8,737.11x = 57,370,451.70
  5. Step 5: Solve for x
    x = 57,370,451.70/8,737.11
  6. Step 6: Final answer
    x = 6,566.30

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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.