Home / 5,422.57-8,135.22-2,502.91

Finding the Fourth Proportional to 5,422.57, 8,135.22 and 2,502.91

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Solution

The fourth proportional to 5,422.57, 8,135.22 and 2,502.91 is: 3,755.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.57 : 8,135.22 = 2,502.91 : x
  2. Step 2: Convert to fraction form
    5,422.57/8,135.22 = 2,502.91/x
  3. Step 3: Cross multiply
    5,422.57x = 8,135.22 × 2,502.91
  4. Step 4: Simplify right side
    5,422.57x = 20,361,723.49
  5. Step 5: Solve for x
    x = 20,361,723.49/5,422.57
  6. Step 6: Final answer
    x = 3,755.00

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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.