Home / 10,310.49-15,469.11-3,291.66

Finding the Fourth Proportional to 10,310.49, 15,469.11 and 3,291.66

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Solution

The fourth proportional to 10,310.49, 15,469.11 and 3,291.66 is: 4,938.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,310.49 : 15,469.11 = 3,291.66 : x
  2. Step 2: Convert to fraction form
    10,310.49/15,469.11 = 3,291.66/x
  3. Step 3: Cross multiply
    10,310.49x = 15,469.11 × 3,291.66
  4. Step 4: Simplify right side
    10,310.49x = 50,919,050.62
  5. Step 5: Solve for x
    x = 50,919,050.62/10,310.49
  6. Step 6: Final answer
    x = 4,938.57

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1.5x scale

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.