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Finding the Fourth Proportional to 8,879.72, 12,252.52 and 5,293.56

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Solution

The fourth proportional to 8,879.72, 12,252.52 and 5,293.56 is: 7,304.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879.72 : 12,252.52 = 5,293.56 : x
  2. Step 2: Convert to fraction form
    8,879.72/12,252.52 = 5,293.56/x
  3. Step 3: Cross multiply
    8,879.72x = 12,252.52 × 5,293.56
  4. Step 4: Simplify right side
    8,879.72x = 64,859,449.77
  5. Step 5: Solve for x
    x = 64,859,449.77/8,879.72
  6. Step 6: Final answer
    x = 7,304.22

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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.