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Finding the Fourth Proportional to 5,251.69, 7,247.48 and 2,893.98

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Solution

The fourth proportional to 5,251.69, 7,247.48 and 2,893.98 is: 3,993.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.69 : 7,247.48 = 2,893.98 : x
  2. Step 2: Convert to fraction form
    5,251.69/7,247.48 = 2,893.98/x
  3. Step 3: Cross multiply
    5,251.69x = 7,247.48 × 2,893.98
  4. Step 4: Simplify right side
    5,251.69x = 20,974,063.98
  5. Step 5: Solve for x
    x = 20,974,063.98/5,251.69
  6. Step 6: Final answer
    x = 3,993.78

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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.