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Finding the Fourth Proportional to 5,523.75, 7,622.79 and 3,039.75

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Solution

The fourth proportional to 5,523.75, 7,622.79 and 3,039.75 is: 4,194.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,523.75 : 7,622.79 = 3,039.75 : x
  2. Step 2: Convert to fraction form
    5,523.75/7,622.79 = 3,039.75/x
  3. Step 3: Cross multiply
    5,523.75x = 7,622.79 × 3,039.75
  4. Step 4: Simplify right side
    5,523.75x = 23,171,375.90
  5. Step 5: Solve for x
    x = 23,171,375.90/5,523.75
  6. Step 6: Final answer
    x = 4,194.86

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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.