Home / 5,191.72-7,164.18-2,833.80

Finding the Fourth Proportional to 5,191.72, 7,164.18 and 2,833.80

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Solution

The fourth proportional to 5,191.72, 7,164.18 and 2,833.80 is: 3,910.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.72 : 7,164.18 = 2,833.80 : x
  2. Step 2: Convert to fraction form
    5,191.72/7,164.18 = 2,833.80/x
  3. Step 3: Cross multiply
    5,191.72x = 7,164.18 × 2,833.80
  4. Step 4: Simplify right side
    5,191.72x = 20,301,853.28
  5. Step 5: Solve for x
    x = 20,301,853.28/5,191.72
  6. Step 6: Final answer
    x = 3,910.43

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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.