Home / 5,382.47-8,069.98-2,744.85

Finding the Fourth Proportional to 5,382.47, 8,069.98 and 2,744.85

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Solution

The fourth proportional to 5,382.47, 8,069.98 and 2,744.85 is: 4,115.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.47 : 8,069.98 = 2,744.85 : x
  2. Step 2: Convert to fraction form
    5,382.47/8,069.98 = 2,744.85/x
  3. Step 3: Cross multiply
    5,382.47x = 8,069.98 × 2,744.85
  4. Step 4: Simplify right side
    5,382.47x = 22,150,913.15
  5. Step 5: Solve for x
    x = 22,150,913.15/5,382.47
  6. Step 6: Final answer
    x = 4,115.38

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Why These Related Problems?

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