Home / 5,132.90-7,079.87-3,144.44

Finding the Fourth Proportional to 5,132.90, 7,079.87 and 3,144.44

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Solution

The fourth proportional to 5,132.90, 7,079.87 and 3,144.44 is: 4,337.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.90 : 7,079.87 = 3,144.44 : x
  2. Step 2: Convert to fraction form
    5,132.90/7,079.87 = 3,144.44/x
  3. Step 3: Cross multiply
    5,132.90x = 7,079.87 × 3,144.44
  4. Step 4: Simplify right side
    5,132.90x = 22,262,251.98
  5. Step 5: Solve for x
    x = 22,262,251.98/5,132.90
  6. Step 6: Final answer
    x = 4,337.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.