Home / 8,813.90-13,224.17-5,306.38

Finding the Fourth Proportional to 8,813.90, 13,224.17 and 5,306.38

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Solution

The fourth proportional to 8,813.90, 13,224.17 and 5,306.38 is: 7,961.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.90 : 13,224.17 = 5,306.38 : x
  2. Step 2: Convert to fraction form
    8,813.90/13,224.17 = 5,306.38/x
  3. Step 3: Cross multiply
    8,813.90x = 13,224.17 × 5,306.38
  4. Step 4: Simplify right side
    8,813.90x = 70,172,451.41
  5. Step 5: Solve for x
    x = 70,172,451.41/8,813.90
  6. Step 6: Final answer
    x = 7,961.56

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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.