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Finding the Fourth Proportional to 5,249.53, 7,244.45 and 2,891.67

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Solution

The fourth proportional to 5,249.53, 7,244.45 and 2,891.67 is: 3,990.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.53 : 7,244.45 = 2,891.67 : x
  2. Step 2: Convert to fraction form
    5,249.53/7,244.45 = 2,891.67/x
  3. Step 3: Cross multiply
    5,249.53x = 7,244.45 × 2,891.67
  4. Step 4: Simplify right side
    5,249.53x = 20,948,558.73
  5. Step 5: Solve for x
    x = 20,948,558.73/5,249.53
  6. Step 6: Final answer
    x = 3,990.56

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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.