Home / 6,139.75-9,207.70-2,243.11

Finding the Fourth Proportional to 6,139.75, 9,207.70 and 2,243.11

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Solution

The fourth proportional to 6,139.75, 9,207.70 and 2,243.11 is: 3,363.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.75 : 9,207.70 = 2,243.11 : x
  2. Step 2: Convert to fraction form
    6,139.75/9,207.70 = 2,243.11/x
  3. Step 3: Cross multiply
    6,139.75x = 9,207.70 × 2,243.11
  4. Step 4: Simplify right side
    6,139.75x = 20,653,883.95
  5. Step 5: Solve for x
    x = 20,653,883.95/6,139.75
  6. Step 6: Final answer
    x = 3,363.96

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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.