Home / 7,342.19-10,132.14-3,985.12

Finding the Fourth Proportional to 7,342.19, 10,132.14 and 3,985.12

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Solution

The fourth proportional to 7,342.19, 10,132.14 and 3,985.12 is: 5,499.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.19 : 10,132.14 = 3,985.12 : x
  2. Step 2: Convert to fraction form
    7,342.19/10,132.14 = 3,985.12/x
  3. Step 3: Cross multiply
    7,342.19x = 10,132.14 × 3,985.12
  4. Step 4: Simplify right side
    7,342.19x = 40,377,793.76
  5. Step 5: Solve for x
    x = 40,377,793.76/7,342.19
  6. Step 6: Final answer
    x = 5,499.42

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Double scale
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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.