Home / 5,489.20-8,234.70-3,025.18

Finding the Fourth Proportional to 5,489.20, 8,234.70 and 3,025.18

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Solution

The fourth proportional to 5,489.20, 8,234.70 and 3,025.18 is: 4,538.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.20 : 8,234.70 = 3,025.18 : x
  2. Step 2: Convert to fraction form
    5,489.20/8,234.70 = 3,025.18/x
  3. Step 3: Cross multiply
    5,489.20x = 8,234.70 × 3,025.18
  4. Step 4: Simplify right side
    5,489.20x = 24,911,449.75
  5. Step 5: Solve for x
    x = 24,911,449.75/5,489.20
  6. Step 6: Final answer
    x = 4,538.27

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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.