Home / 5,338.92-7,997.45-3,141.12

Finding the Fourth Proportional to 5,338.92, 7,997.45 and 3,141.12

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Solution

The fourth proportional to 5,338.92, 7,997.45 and 3,141.12 is: 4,705.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.92 : 7,997.45 = 3,141.12 : x
  2. Step 2: Convert to fraction form
    5,338.92/7,997.45 = 3,141.12/x
  3. Step 3: Cross multiply
    5,338.92x = 7,997.45 × 3,141.12
  4. Step 4: Simplify right side
    5,338.92x = 25,120,934.44
  5. Step 5: Solve for x
    x = 25,120,934.44/5,338.92
  6. Step 6: Final answer
    x = 4,705.25

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1.5x scale

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.