Home / 5,170.64-7,757.17-2,249.78

Finding the Fourth Proportional to 5,170.64, 7,757.17 and 2,249.78

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Solution

The fourth proportional to 5,170.64, 7,757.17 and 2,249.78 is: 3,375.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.64 : 7,757.17 = 2,249.78 : x
  2. Step 2: Convert to fraction form
    5,170.64/7,757.17 = 2,249.78/x
  3. Step 3: Cross multiply
    5,170.64x = 7,757.17 × 2,249.78
  4. Step 4: Simplify right side
    5,170.64x = 17,451,881.51
  5. Step 5: Solve for x
    x = 17,451,881.51/5,170.64
  6. Step 6: Final answer
    x = 3,375.19

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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.