Home / 5,107.85-7,663.43-2,508.97

Finding the Fourth Proportional to 5,107.85, 7,663.43 and 2,508.97

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Solution

The fourth proportional to 5,107.85, 7,663.43 and 2,508.97 is: 3,764.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.85 : 7,663.43 = 2,508.97 : x
  2. Step 2: Convert to fraction form
    5,107.85/7,663.43 = 2,508.97/x
  3. Step 3: Cross multiply
    5,107.85x = 7,663.43 × 2,508.97
  4. Step 4: Simplify right side
    5,107.85x = 19,227,265.11
  5. Step 5: Solve for x
    x = 19,227,265.11/5,107.85
  6. Step 6: Final answer
    x = 3,764.26

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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.