Home / 5,127.10-7,691.37-2,494.75

Finding the Fourth Proportional to 5,127.10, 7,691.37 and 2,494.75

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Solution

The fourth proportional to 5,127.10, 7,691.37 and 2,494.75 is: 3,742.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.10 : 7,691.37 = 2,494.75 : x
  2. Step 2: Convert to fraction form
    5,127.10/7,691.37 = 2,494.75/x
  3. Step 3: Cross multiply
    5,127.10x = 7,691.37 × 2,494.75
  4. Step 4: Simplify right side
    5,127.10x = 19,188,045.31
  5. Step 5: Solve for x
    x = 19,188,045.31/5,127.10
  6. Step 6: Final answer
    x = 3,742.48

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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.