Home / 6,115.70-9,168.05-2,217.38

Finding the Fourth Proportional to 6,115.70, 9,168.05 and 2,217.38

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Solution

The fourth proportional to 6,115.70, 9,168.05 and 2,217.38 is: 3,324.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.70 : 9,168.05 = 2,217.38 : x
  2. Step 2: Convert to fraction form
    6,115.70/9,168.05 = 2,217.38/x
  3. Step 3: Cross multiply
    6,115.70x = 9,168.05 × 2,217.38
  4. Step 4: Simplify right side
    6,115.70x = 20,329,010.41
  5. Step 5: Solve for x
    x = 20,329,010.41/6,115.70
  6. Step 6: Final answer
    x = 3,324.07

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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.