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Finding the Fourth Proportional to 8,796.31, 13,194.60 and 2,873.17

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Solution

The fourth proportional to 8,796.31, 13,194.60 and 2,873.17 is: 4,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796.31 : 13,194.60 = 2,873.17 : x
  2. Step 2: Convert to fraction form
    8,796.31/13,194.60 = 2,873.17/x
  3. Step 3: Cross multiply
    8,796.31x = 13,194.60 × 2,873.17
  4. Step 4: Simplify right side
    8,796.31x = 37,910,328.88
  5. Step 5: Solve for x
    x = 37,910,328.88/8,796.31
  6. Step 6: Final answer
    x = 4,309.80

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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.