Home / 7,343.88-11,016.09-2,149.62

Finding the Fourth Proportional to 7,343.88, 11,016.09 and 2,149.62

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Solution

The fourth proportional to 7,343.88, 11,016.09 and 2,149.62 is: 3,224.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.88 : 11,016.09 = 2,149.62 : x
  2. Step 2: Convert to fraction form
    7,343.88/11,016.09 = 2,149.62/x
  3. Step 3: Cross multiply
    7,343.88x = 11,016.09 × 2,149.62
  4. Step 4: Simplify right side
    7,343.88x = 23,680,407.39
  5. Step 5: Solve for x
    x = 23,680,407.39/7,343.88
  6. Step 6: Final answer
    x = 3,224.51

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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.