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Finding the Fourth Proportional to 8,718, 13,079.22 and 2,562

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Solution

The fourth proportional to 8,718, 13,079.22 and 2,562 is: 3,843.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718 : 13,079.22 = 2,562 : x
  2. Step 2: Convert to fraction form
    8,718/13,079.22 = 2,562/x
  3. Step 3: Cross multiply
    8,718x = 13,079.22 × 2,562
  4. Step 4: Simplify right side
    8,718x = 33,508,961.64
  5. Step 5: Solve for x
    x = 33,508,961.64/8,718
  6. Step 6: Final answer
    x = 3,843.65

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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.