Home / 4,418.52-6,629.94-3,869.88

Finding the Fourth Proportional to 4,418.52, 6,629.94 and 3,869.88

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Solution

The fourth proportional to 4,418.52, 6,629.94 and 3,869.88 is: 5,806.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418.52 : 6,629.94 = 3,869.88 : x
  2. Step 2: Convert to fraction form
    4,418.52/6,629.94 = 3,869.88/x
  3. Step 3: Cross multiply
    4,418.52x = 6,629.94 × 3,869.88
  4. Step 4: Simplify right side
    4,418.52x = 25,657,072.21
  5. Step 5: Solve for x
    x = 25,657,072.21/4,418.52
  6. Step 6: Final answer
    x = 5,806.71

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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.