Home / 4,581.40-6,872.10-3,487.90

Finding the Fourth Proportional to 4,581.40, 6,872.10 and 3,487.90

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Solution

The fourth proportional to 4,581.40, 6,872.10 and 3,487.90 is: 5,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,581.40 : 6,872.10 = 3,487.90 : x
  2. Step 2: Convert to fraction form
    4,581.40/6,872.10 = 3,487.90/x
  3. Step 3: Cross multiply
    4,581.40x = 6,872.10 × 3,487.90
  4. Step 4: Simplify right side
    4,581.40x = 23,969,197.59
  5. Step 5: Solve for x
    x = 23,969,197.59/4,581.40
  6. Step 6: Final answer
    x = 5,231.85

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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.