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Finding the Fourth Proportional to 7,449.89, 11,174.65 and 3,751.12

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Solution

The fourth proportional to 7,449.89, 11,174.65 and 3,751.12 is: 5,626.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.89 : 11,174.65 = 3,751.12 : x
  2. Step 2: Convert to fraction form
    7,449.89/11,174.65 = 3,751.12/x
  3. Step 3: Cross multiply
    7,449.89x = 11,174.65 × 3,751.12
  4. Step 4: Simplify right side
    7,449.89x = 41,917,471.77
  5. Step 5: Solve for x
    x = 41,917,471.77/7,449.89
  6. Step 6: Final answer
    x = 5,626.59

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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.