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Finding the Fourth Proportional to 8,671.66, 13,009.92 and 3,481.18

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Solution

The fourth proportional to 8,671.66, 13,009.92 and 3,481.18 is: 5,222.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671.66 : 13,009.92 = 3,481.18 : x
  2. Step 2: Convert to fraction form
    8,671.66/13,009.92 = 3,481.18/x
  3. Step 3: Cross multiply
    8,671.66x = 13,009.92 × 3,481.18
  4. Step 4: Simplify right side
    8,671.66x = 45,289,873.31
  5. Step 5: Solve for x
    x = 45,289,873.31/8,671.66
  6. Step 6: Final answer
    x = 5,222.75

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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.