Home / 5,523.87-8,278.23-2,921.61

Finding the Fourth Proportional to 5,523.87, 8,278.23 and 2,921.61

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Solution

The fourth proportional to 5,523.87, 8,278.23 and 2,921.61 is: 4,378.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,523.87 : 8,278.23 = 2,921.61 : x
  2. Step 2: Convert to fraction form
    5,523.87/8,278.23 = 2,921.61/x
  3. Step 3: Cross multiply
    5,523.87x = 8,278.23 × 2,921.61
  4. Step 4: Simplify right side
    5,523.87x = 24,185,759.55
  5. Step 5: Solve for x
    x = 24,185,759.55/5,523.87
  6. Step 6: Final answer
    x = 4,378.41

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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.