Home / 5,713.72-7,884.26-3,195.96

Finding the Fourth Proportional to 5,713.72, 7,884.26 and 3,195.96

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Solution

The fourth proportional to 5,713.72, 7,884.26 and 3,195.96 is: 4,410.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,713.72 : 7,884.26 = 3,195.96 : x
  2. Step 2: Convert to fraction form
    5,713.72/7,884.26 = 3,195.96/x
  3. Step 3: Cross multiply
    5,713.72x = 7,884.26 × 3,195.96
  4. Step 4: Simplify right side
    5,713.72x = 25,197,779.59
  5. Step 5: Solve for x
    x = 25,197,779.59/5,713.72
  6. Step 6: Final answer
    x = 4,410.05

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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.