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Finding the Fourth Proportional to 8,146.72, 12,218.52 and 2,301.92

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Solution

The fourth proportional to 8,146.72, 12,218.52 and 2,301.92 is: 3,452.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.72 : 12,218.52 = 2,301.92 : x
  2. Step 2: Convert to fraction form
    8,146.72/12,218.52 = 2,301.92/x
  3. Step 3: Cross multiply
    8,146.72x = 12,218.52 × 2,301.92
  4. Step 4: Simplify right side
    8,146.72x = 28,126,055.56
  5. Step 5: Solve for x
    x = 28,126,055.56/8,146.72
  6. Step 6: Final answer
    x = 3,452.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.