Home / 5,127.85-7,691.39-2,007.26

Finding the Fourth Proportional to 5,127.85, 7,691.39 and 2,007.26

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Solution

The fourth proportional to 5,127.85, 7,691.39 and 2,007.26 is: 3,010.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.85 : 7,691.39 = 2,007.26 : x
  2. Step 2: Convert to fraction form
    5,127.85/7,691.39 = 2,007.26/x
  3. Step 3: Cross multiply
    5,127.85x = 7,691.39 × 2,007.26
  4. Step 4: Simplify right side
    5,127.85x = 15,438,619.49
  5. Step 5: Solve for x
    x = 15,438,619.49/5,127.85
  6. Step 6: Final answer
    x = 3,010.74

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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.