Home / 8,817.87-13,230.24-3,884.04

Finding the Fourth Proportional to 8,817.87, 13,230.24 and 3,884.04

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Solution

The fourth proportional to 8,817.87, 13,230.24 and 3,884.04 is: 5,827.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.87 : 13,230.24 = 3,884.04 : x
  2. Step 2: Convert to fraction form
    8,817.87/13,230.24 = 3,884.04/x
  3. Step 3: Cross multiply
    8,817.87x = 13,230.24 × 3,884.04
  4. Step 4: Simplify right side
    8,817.87x = 51,386,781.37
  5. Step 5: Solve for x
    x = 51,386,781.37/8,817.87
  6. Step 6: Final answer
    x = 5,827.57

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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.