Home / 7,438.25-11,151.57-3,923.66

Finding the Fourth Proportional to 7,438.25, 11,151.57 and 3,923.66

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Solution

The fourth proportional to 7,438.25, 11,151.57 and 3,923.66 is: 5,882.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.25 : 11,151.57 = 3,923.66 : x
  2. Step 2: Convert to fraction form
    7,438.25/11,151.57 = 3,923.66/x
  3. Step 3: Cross multiply
    7,438.25x = 11,151.57 × 3,923.66
  4. Step 4: Simplify right side
    7,438.25x = 43,754,969.15
  5. Step 5: Solve for x
    x = 43,754,969.15/7,438.25
  6. Step 6: Final answer
    x = 5,882.43

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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.