Home / 5,713.88-7,884.61-3,195.86

Finding the Fourth Proportional to 5,713.88, 7,884.61 and 3,195.86

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Solution

The fourth proportional to 5,713.88, 7,884.61 and 3,195.86 is: 4,409.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,713.88 : 7,884.61 = 3,195.86 : x
  2. Step 2: Convert to fraction form
    5,713.88/7,884.61 = 3,195.86/x
  3. Step 3: Cross multiply
    5,713.88x = 7,884.61 × 3,195.86
  4. Step 4: Simplify right side
    5,713.88x = 25,198,062.30
  5. Step 5: Solve for x
    x = 25,198,062.30/5,713.88
  6. Step 6: Final answer
    x = 4,409.98

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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.