Home / 5,127.43-7,691.27-2,007.31

Finding the Fourth Proportional to 5,127.43, 7,691.27 and 2,007.31

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Solution

The fourth proportional to 5,127.43, 7,691.27 and 2,007.31 is: 3,011.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.43 : 7,691.27 = 2,007.31 : x
  2. Step 2: Convert to fraction form
    5,127.43/7,691.27 = 2,007.31/x
  3. Step 3: Cross multiply
    5,127.43x = 7,691.27 × 2,007.31
  4. Step 4: Simplify right side
    5,127.43x = 15,438,763.18
  5. Step 5: Solve for x
    x = 15,438,763.18/5,127.43
  6. Step 6: Final answer
    x = 3,011.01

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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.