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Finding the Fourth Proportional to 8,860.92, 13,290.90 and 2,287.44

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Solution

The fourth proportional to 8,860.92, 13,290.90 and 2,287.44 is: 3,431.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.92 : 13,290.90 = 2,287.44 : x
  2. Step 2: Convert to fraction form
    8,860.92/13,290.90 = 2,287.44/x
  3. Step 3: Cross multiply
    8,860.92x = 13,290.90 × 2,287.44
  4. Step 4: Simplify right side
    8,860.92x = 30,402,136.30
  5. Step 5: Solve for x
    x = 30,402,136.30/8,860.92
  6. Step 6: Final answer
    x = 3,431.04

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1.5x scale

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.