Home / 5,687.34-7,847.97-3,169.36

Finding the Fourth Proportional to 5,687.34, 7,847.97 and 3,169.36

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Solution

The fourth proportional to 5,687.34, 7,847.97 and 3,169.36 is: 4,373.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.34 : 7,847.97 = 3,169.36 : x
  2. Step 2: Convert to fraction form
    5,687.34/7,847.97 = 3,169.36/x
  3. Step 3: Cross multiply
    5,687.34x = 7,847.97 × 3,169.36
  4. Step 4: Simplify right side
    5,687.34x = 24,873,042.20
  5. Step 5: Solve for x
    x = 24,873,042.20/5,687.34
  6. Step 6: Final answer
    x = 4,373.41

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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.