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Finding the Fourth Proportional to 8,806.74, 13,198.20 and 3,254.88

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Solution

The fourth proportional to 8,806.74, 13,198.20 and 3,254.88 is: 4,877.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.74 : 13,198.20 = 3,254.88 : x
  2. Step 2: Convert to fraction form
    8,806.74/13,198.20 = 3,254.88/x
  3. Step 3: Cross multiply
    8,806.74x = 13,198.20 × 3,254.88
  4. Step 4: Simplify right side
    8,806.74x = 42,958,557.22
  5. Step 5: Solve for x
    x = 42,958,557.22/8,806.74
  6. Step 6: Final answer
    x = 4,877.92

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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.