Home / 4,331.20-6,487.20-3,755.20

Finding the Fourth Proportional to 4,331.20, 6,487.20 and 3,755.20

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Solution

The fourth proportional to 4,331.20, 6,487.20 and 3,755.20 is: 5,624.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,331.20 : 6,487.20 = 3,755.20 : x
  2. Step 2: Convert to fraction form
    4,331.20/6,487.20 = 3,755.20/x
  3. Step 3: Cross multiply
    4,331.20x = 6,487.20 × 3,755.20
  4. Step 4: Simplify right side
    4,331.20x = 24,360,733.44
  5. Step 5: Solve for x
    x = 24,360,733.44/4,331.20
  6. Step 6: Final answer
    x = 5,624.48

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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.