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Finding the Fourth Proportional to 8,231.32, 12,337.62 and 3,548.98

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Solution

The fourth proportional to 8,231.32, 12,337.62 and 3,548.98 is: 5,319.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.32 : 12,337.62 = 3,548.98 : x
  2. Step 2: Convert to fraction form
    8,231.32/12,337.62 = 3,548.98/x
  3. Step 3: Cross multiply
    8,231.32x = 12,337.62 × 3,548.98
  4. Step 4: Simplify right side
    8,231.32x = 43,785,966.63
  5. Step 5: Solve for x
    x = 43,785,966.63/8,231.32
  6. Step 6: Final answer
    x = 5,319.43

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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.