Home / 10,308.44-15,463.78-3,286.80

Finding the Fourth Proportional to 10,308.44, 15,463.78 and 3,286.80

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Solution

The fourth proportional to 10,308.44, 15,463.78 and 3,286.80 is: 4,930.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,308.44 : 15,463.78 = 3,286.80 : x
  2. Step 2: Convert to fraction form
    10,308.44/15,463.78 = 3,286.80/x
  3. Step 3: Cross multiply
    10,308.44x = 15,463.78 × 3,286.80
  4. Step 4: Simplify right side
    10,308.44x = 50,826,352.10
  5. Step 5: Solve for x
    x = 50,826,352.10/10,308.44
  6. Step 6: Final answer
    x = 4,930.56

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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.