Home / 7,434.09-11,149.92-2,238.75

Finding the Fourth Proportional to 7,434.09, 11,149.92 and 2,238.75

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Solution

The fourth proportional to 7,434.09, 11,149.92 and 2,238.75 is: 3,357.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.09 : 11,149.92 = 2,238.75 : x
  2. Step 2: Convert to fraction form
    7,434.09/11,149.92 = 2,238.75/x
  3. Step 3: Cross multiply
    7,434.09x = 11,149.92 × 2,238.75
  4. Step 4: Simplify right side
    7,434.09x = 24,961,883.40
  5. Step 5: Solve for x
    x = 24,961,883.40/7,434.09
  6. Step 6: Final answer
    x = 3,357.76

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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.