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Finding the Fourth Proportional to 8,316.39, 12,471.31 and 3,049.83

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Solution

The fourth proportional to 8,316.39, 12,471.31 and 3,049.83 is: 4,573.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.39 : 12,471.31 = 3,049.83 : x
  2. Step 2: Convert to fraction form
    8,316.39/12,471.31 = 3,049.83/x
  3. Step 3: Cross multiply
    8,316.39x = 12,471.31 × 3,049.83
  4. Step 4: Simplify right side
    8,316.39x = 38,035,379.19
  5. Step 5: Solve for x
    x = 38,035,379.19/8,316.39
  6. Step 6: Final answer
    x = 4,573.54

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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.