Home / 7,412.38-11,122.94-2,735.66

Finding the Fourth Proportional to 7,412.38, 11,122.94 and 2,735.66

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Solution

The fourth proportional to 7,412.38, 11,122.94 and 2,735.66 is: 4,105.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.38 : 11,122.94 = 2,735.66 : x
  2. Step 2: Convert to fraction form
    7,412.38/11,122.94 = 2,735.66/x
  3. Step 3: Cross multiply
    7,412.38x = 11,122.94 × 2,735.66
  4. Step 4: Simplify right side
    7,412.38x = 30,428,616.69
  5. Step 5: Solve for x
    x = 30,428,616.69/7,412.38
  6. Step 6: Final answer
    x = 4,105.11

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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.