Home / 8,817.80-13,218.17-3,269.61

Finding the Fourth Proportional to 8,817.80, 13,218.17 and 3,269.61

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Solution

The fourth proportional to 8,817.80, 13,218.17 and 3,269.61 is: 4,901.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.80 : 13,218.17 = 3,269.61 : x
  2. Step 2: Convert to fraction form
    8,817.80/13,218.17 = 3,269.61/x
  3. Step 3: Cross multiply
    8,817.80x = 13,218.17 × 3,269.61
  4. Step 4: Simplify right side
    8,817.80x = 43,218,244.47
  5. Step 5: Solve for x
    x = 43,218,244.47/8,817.80
  6. Step 6: Final answer
    x = 4,901.25

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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.