Home / 5,489.56-8,234.34-2,569.92

Finding the Fourth Proportional to 5,489.56, 8,234.34 and 2,569.92

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Solution

The fourth proportional to 5,489.56, 8,234.34 and 2,569.92 is: 3,854.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.56 : 8,234.34 = 2,569.92 : x
  2. Step 2: Convert to fraction form
    5,489.56/8,234.34 = 2,569.92/x
  3. Step 3: Cross multiply
    5,489.56x = 8,234.34 × 2,569.92
  4. Step 4: Simplify right side
    5,489.56x = 21,161,595.05
  5. Step 5: Solve for x
    x = 21,161,595.05/5,489.56
  6. Step 6: Final answer
    x = 3,854.88

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1.5x scale

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.