Home / 5,489.43-8,234.16-2,569.80

Finding the Fourth Proportional to 5,489.43, 8,234.16 and 2,569.80

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Solution

The fourth proportional to 5,489.43, 8,234.16 and 2,569.80 is: 3,854.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.43 : 8,234.16 = 2,569.80 : x
  2. Step 2: Convert to fraction form
    5,489.43/8,234.16 = 2,569.80/x
  3. Step 3: Cross multiply
    5,489.43x = 8,234.16 × 2,569.80
  4. Step 4: Simplify right side
    5,489.43x = 21,160,144.37
  5. Step 5: Solve for x
    x = 21,160,144.37/5,489.43
  6. Step 6: Final answer
    x = 3,854.71

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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.