Home / 8,834.16-12,186.50-5,475.90

Finding the Fourth Proportional to 8,834.16, 12,186.50 and 5,475.90

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Solution

The fourth proportional to 8,834.16, 12,186.50 and 5,475.90 is: 7,553.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,834.16 : 12,186.50 = 5,475.90 : x
  2. Step 2: Convert to fraction form
    8,834.16/12,186.50 = 5,475.90/x
  3. Step 3: Cross multiply
    8,834.16x = 12,186.50 × 5,475.90
  4. Step 4: Simplify right side
    8,834.16x = 66,732,027.97
  5. Step 5: Solve for x
    x = 66,732,027.97/8,834.16
  6. Step 6: Final answer
    x = 7,553.86

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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.