Home / 5,126.34-7,691.64-2,165.52

Finding the Fourth Proportional to 5,126.34, 7,691.64 and 2,165.52

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Solution

The fourth proportional to 5,126.34, 7,691.64 and 2,165.52 is: 3,249.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.34 : 7,691.64 = 2,165.52 : x
  2. Step 2: Convert to fraction form
    5,126.34/7,691.64 = 2,165.52/x
  3. Step 3: Cross multiply
    5,126.34x = 7,691.64 × 2,165.52
  4. Step 4: Simplify right side
    5,126.34x = 16,656,400.25
  5. Step 5: Solve for x
    x = 16,656,400.25/5,126.34
  6. Step 6: Final answer
    x = 3,249.18

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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.