Home / 6,127.30-9,190.97-2,231.70

Finding the Fourth Proportional to 6,127.30, 9,190.97 and 2,231.70

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Solution

The fourth proportional to 6,127.30, 9,190.97 and 2,231.70 is: 3,347.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127.30 : 9,190.97 = 2,231.70 : x
  2. Step 2: Convert to fraction form
    6,127.30/9,190.97 = 2,231.70/x
  3. Step 3: Cross multiply
    6,127.30x = 9,190.97 × 2,231.70
  4. Step 4: Simplify right side
    6,127.30x = 20,511,502.19
  5. Step 5: Solve for x
    x = 20,511,502.19/6,127.30
  6. Step 6: Final answer
    x = 3,347.56

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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.