Home / 5,105.38-7,645.92-3,546.94

Finding the Fourth Proportional to 5,105.38, 7,645.92 and 3,546.94

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Solution

The fourth proportional to 5,105.38, 7,645.92 and 3,546.94 is: 5,311.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105.38 : 7,645.92 = 3,546.94 : x
  2. Step 2: Convert to fraction form
    5,105.38/7,645.92 = 3,546.94/x
  3. Step 3: Cross multiply
    5,105.38x = 7,645.92 × 3,546.94
  4. Step 4: Simplify right side
    5,105.38x = 27,119,619.48
  5. Step 5: Solve for x
    x = 27,119,619.48/5,105.38
  6. Step 6: Final answer
    x = 5,311.97

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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.