Home / 8,581.15-12,867.17-4,419.47

Finding the Fourth Proportional to 8,581.15, 12,867.17 and 4,419.47

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Solution

The fourth proportional to 8,581.15, 12,867.17 and 4,419.47 is: 6,626.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581.15 : 12,867.17 = 4,419.47 : x
  2. Step 2: Convert to fraction form
    8,581.15/12,867.17 = 4,419.47/x
  3. Step 3: Cross multiply
    8,581.15x = 12,867.17 × 4,419.47
  4. Step 4: Simplify right side
    8,581.15x = 56,866,081.87
  5. Step 5: Solve for x
    x = 56,866,081.87/8,581.15
  6. Step 6: Final answer
    x = 6,626.86

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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.