Home / 7,407.07-10,221.89-4,049.85

Finding the Fourth Proportional to 7,407.07, 10,221.89 and 4,049.85

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Solution

The fourth proportional to 7,407.07, 10,221.89 and 4,049.85 is: 5,588.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.07 : 10,221.89 = 4,049.85 : x
  2. Step 2: Convert to fraction form
    7,407.07/10,221.89 = 4,049.85/x
  3. Step 3: Cross multiply
    7,407.07x = 10,221.89 × 4,049.85
  4. Step 4: Simplify right side
    7,407.07x = 41,397,100.97
  5. Step 5: Solve for x
    x = 41,397,100.97/7,407.07
  6. Step 6: Final answer
    x = 5,588.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.