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Finding the Fourth Proportional to 5,479.97, 8,229.83 and 5,040.45

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Solution

The fourth proportional to 5,479.97, 8,229.83 and 5,040.45 is: 7,569.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.97 : 8,229.83 = 5,040.45 : x
  2. Step 2: Convert to fraction form
    5,479.97/8,229.83 = 5,040.45/x
  3. Step 3: Cross multiply
    5,479.97x = 8,229.83 × 5,040.45
  4. Step 4: Simplify right side
    5,479.97x = 41,482,021.42
  5. Step 5: Solve for x
    x = 41,482,021.42/5,479.97
  6. Step 6: Final answer
    x = 7,569.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.