Home / 5,505.55-8,257.29-2,543.87

Finding the Fourth Proportional to 5,505.55, 8,257.29 and 2,543.87

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Solution

The fourth proportional to 5,505.55, 8,257.29 and 2,543.87 is: 3,815.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.55 : 8,257.29 = 2,543.87 : x
  2. Step 2: Convert to fraction form
    5,505.55/8,257.29 = 2,543.87/x
  3. Step 3: Cross multiply
    5,505.55x = 8,257.29 × 2,543.87
  4. Step 4: Simplify right side
    5,505.55x = 21,005,445.31
  5. Step 5: Solve for x
    x = 21,005,445.31/5,505.55
  6. Step 6: Final answer
    x = 3,815.32

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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.