Home / 5,191.38-7,790.28-2,727.96

Finding the Fourth Proportional to 5,191.38, 7,790.28 and 2,727.96

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Solution

The fourth proportional to 5,191.38, 7,790.28 and 2,727.96 is: 4,093.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.38 : 7,790.28 = 2,727.96 : x
  2. Step 2: Convert to fraction form
    5,191.38/7,790.28 = 2,727.96/x
  3. Step 3: Cross multiply
    5,191.38x = 7,790.28 × 2,727.96
  4. Step 4: Simplify right side
    5,191.38x = 21,251,572.23
  5. Step 5: Solve for x
    x = 21,251,572.23/5,191.38
  6. Step 6: Final answer
    x = 4,093.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.