Home / 8,878.15-12,251.43-5,098.65

Finding the Fourth Proportional to 8,878.15, 12,251.43 and 5,098.65

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Solution

The fourth proportional to 8,878.15, 12,251.43 and 5,098.65 is: 7,035.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.15 : 12,251.43 = 5,098.65 : x
  2. Step 2: Convert to fraction form
    8,878.15/12,251.43 = 5,098.65/x
  3. Step 3: Cross multiply
    8,878.15x = 12,251.43 × 5,098.65
  4. Step 4: Simplify right side
    8,878.15x = 62,465,753.57
  5. Step 5: Solve for x
    x = 62,465,753.57/8,878.15
  6. Step 6: Final answer
    x = 7,035.90

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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.