Home / 5,397.67-8,077.24-3,918.61

Finding the Fourth Proportional to 5,397.67, 8,077.24 and 3,918.61

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Solution

The fourth proportional to 5,397.67, 8,077.24 and 3,918.61 is: 5,863.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.67 : 8,077.24 = 3,918.61 : x
  2. Step 2: Convert to fraction form
    5,397.67/8,077.24 = 3,918.61/x
  3. Step 3: Cross multiply
    5,397.67x = 8,077.24 × 3,918.61
  4. Step 4: Simplify right side
    5,397.67x = 31,651,553.44
  5. Step 5: Solve for x
    x = 31,651,553.44/5,397.67
  6. Step 6: Final answer
    x = 5,863.93

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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.