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Finding the Fourth Proportional to 5,249.35, 7,244.05 and 2,891.44

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Solution

The fourth proportional to 5,249.35, 7,244.05 and 2,891.44 is: 3,990.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.35 : 7,244.05 = 2,891.44 : x
  2. Step 2: Convert to fraction form
    5,249.35/7,244.05 = 2,891.44/x
  3. Step 3: Cross multiply
    5,249.35x = 7,244.05 × 2,891.44
  4. Step 4: Simplify right side
    5,249.35x = 20,945,735.93
  5. Step 5: Solve for x
    x = 20,945,735.93/5,249.35
  6. Step 6: Final answer
    x = 3,990.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.