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Finding the Fourth Proportional to 5,305.26, 7,321.24 and 2,947.62

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Solution

The fourth proportional to 5,305.26, 7,321.24 and 2,947.62 is: 4,067.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.26 : 7,321.24 = 2,947.62 : x
  2. Step 2: Convert to fraction form
    5,305.26/7,321.24 = 2,947.62/x
  3. Step 3: Cross multiply
    5,305.26x = 7,321.24 × 2,947.62
  4. Step 4: Simplify right side
    5,305.26x = 21,580,233.45
  5. Step 5: Solve for x
    x = 21,580,233.45/5,305.26
  6. Step 6: Final answer
    x = 4,067.71

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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.