Home / 8,517.12-12,760.48-4,619.04

Finding the Fourth Proportional to 8,517.12, 12,760.48 and 4,619.04

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Solution

The fourth proportional to 8,517.12, 12,760.48 and 4,619.04 is: 6,920.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.12 : 12,760.48 = 4,619.04 : x
  2. Step 2: Convert to fraction form
    8,517.12/12,760.48 = 4,619.04/x
  3. Step 3: Cross multiply
    8,517.12x = 12,760.48 × 4,619.04
  4. Step 4: Simplify right side
    8,517.12x = 58,941,167.54
  5. Step 5: Solve for x
    x = 58,941,167.54/8,517.12
  6. Step 6: Final answer
    x = 6,920.32

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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.