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Finding the Fourth Proportional to 8,227.88, 11,353.72 and 5,039.72

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Solution

The fourth proportional to 8,227.88, 11,353.72 and 5,039.72 is: 6,954.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,227.88 : 11,353.72 = 5,039.72 : x
  2. Step 2: Convert to fraction form
    8,227.88/11,353.72 = 5,039.72/x
  3. Step 3: Cross multiply
    8,227.88x = 11,353.72 × 5,039.72
  4. Step 4: Simplify right side
    8,227.88x = 57,219,552.42
  5. Step 5: Solve for x
    x = 57,219,552.42/8,227.88
  6. Step 6: Final answer
    x = 6,954.35

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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.