Home / 6,081.67-9,119.40-2,131.30

Finding the Fourth Proportional to 6,081.67, 9,119.40 and 2,131.30

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Solution

The fourth proportional to 6,081.67, 9,119.40 and 2,131.30 is: 3,195.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,081.67 : 9,119.40 = 2,131.30 : x
  2. Step 2: Convert to fraction form
    6,081.67/9,119.40 = 2,131.30/x
  3. Step 3: Cross multiply
    6,081.67x = 9,119.40 × 2,131.30
  4. Step 4: Simplify right side
    6,081.67x = 19,436,177.22
  5. Step 5: Solve for x
    x = 19,436,177.22/6,081.67
  6. Step 6: Final answer
    x = 3,195.86

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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.