Home / 5,424.58-8,139.96-2,502.90

Finding the Fourth Proportional to 5,424.58, 8,139.96 and 2,502.90

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Solution

The fourth proportional to 5,424.58, 8,139.96 and 2,502.90 is: 3,755.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.58 : 8,139.96 = 2,502.90 : x
  2. Step 2: Convert to fraction form
    5,424.58/8,139.96 = 2,502.90/x
  3. Step 3: Cross multiply
    5,424.58x = 8,139.96 × 2,502.90
  4. Step 4: Simplify right side
    5,424.58x = 20,373,505.88
  5. Step 5: Solve for x
    x = 20,373,505.88/5,424.58
  6. Step 6: Final answer
    x = 3,755.78

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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.