Home / 5,229.96-7,218.36-3,105.96

Finding the Fourth Proportional to 5,229.96, 7,218.36 and 3,105.96

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Solution

The fourth proportional to 5,229.96, 7,218.36 and 3,105.96 is: 4,286.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.96 : 7,218.36 = 3,105.96 : x
  2. Step 2: Convert to fraction form
    5,229.96/7,218.36 = 3,105.96/x
  3. Step 3: Cross multiply
    5,229.96x = 7,218.36 × 3,105.96
  4. Step 4: Simplify right side
    5,229.96x = 22,419,937.43
  5. Step 5: Solve for x
    x = 22,419,937.43/5,229.96
  6. Step 6: Final answer
    x = 4,286.83

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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.