Home / 7,342.13-10,132.11-3,984.92

Finding the Fourth Proportional to 7,342.13, 10,132.11 and 3,984.92

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Solution

The fourth proportional to 7,342.13, 10,132.11 and 3,984.92 is: 5,499.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.13 : 10,132.11 = 3,984.92 : x
  2. Step 2: Convert to fraction form
    7,342.13/10,132.11 = 3,984.92/x
  3. Step 3: Cross multiply
    7,342.13x = 10,132.11 × 3,984.92
  4. Step 4: Simplify right side
    7,342.13x = 40,375,647.78
  5. Step 5: Solve for x
    x = 40,375,647.78/7,342.13
  6. Step 6: Final answer
    x = 5,499.17

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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.