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Finding the Fourth Proportional to 8,892.27, 13,339.16 and 2,651.88

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Solution

The fourth proportional to 8,892.27, 13,339.16 and 2,651.88 is: 3,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.27 : 13,339.16 = 2,651.88 : x
  2. Step 2: Convert to fraction form
    8,892.27/13,339.16 = 2,651.88/x
  3. Step 3: Cross multiply
    8,892.27x = 13,339.16 × 2,651.88
  4. Step 4: Simplify right side
    8,892.27x = 35,373,851.62
  5. Step 5: Solve for x
    x = 35,373,851.62/8,892.27
  6. Step 6: Final answer
    x = 3,978.05

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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.