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Finding the Fourth Proportional to 8,201.91, 12,304.67 and 2,655.81

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Solution

The fourth proportional to 8,201.91, 12,304.67 and 2,655.81 is: 3,984.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201.91 : 12,304.67 = 2,655.81 : x
  2. Step 2: Convert to fraction form
    8,201.91/12,304.67 = 2,655.81/x
  3. Step 3: Cross multiply
    8,201.91x = 12,304.67 × 2,655.81
  4. Step 4: Simplify right side
    8,201.91x = 32,678,852.35
  5. Step 5: Solve for x
    x = 32,678,852.35/8,201.91
  6. Step 6: Final answer
    x = 3,984.30

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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.