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Finding the Fourth Proportional to 8,104.98, 12,157.50 and 5,474.43

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Solution

The fourth proportional to 8,104.98, 12,157.50 and 5,474.43 is: 8,211.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.98 : 12,157.50 = 5,474.43 : x
  2. Step 2: Convert to fraction form
    8,104.98/12,157.50 = 5,474.43/x
  3. Step 3: Cross multiply
    8,104.98x = 12,157.50 × 5,474.43
  4. Step 4: Simplify right side
    8,104.98x = 66,555,382.73
  5. Step 5: Solve for x
    x = 66,555,382.73/8,104.98
  6. Step 6: Final answer
    x = 8,211.67

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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.