Home / 6,127.38-9,191.34-2,231.28

Finding the Fourth Proportional to 6,127.38, 9,191.34 and 2,231.28

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Solution

The fourth proportional to 6,127.38, 9,191.34 and 2,231.28 is: 3,347.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127.38 : 9,191.34 = 2,231.28 : x
  2. Step 2: Convert to fraction form
    6,127.38/9,191.34 = 2,231.28/x
  3. Step 3: Cross multiply
    6,127.38x = 9,191.34 × 2,231.28
  4. Step 4: Simplify right side
    6,127.38x = 20,508,453.12
  5. Step 5: Solve for x
    x = 20,508,453.12/6,127.38
  6. Step 6: Final answer
    x = 3,347.02

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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.