Home / 6,141.12-9,217.80-2,680.80

Finding the Fourth Proportional to 6,141.12, 9,217.80 and 2,680.80

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Solution

The fourth proportional to 6,141.12, 9,217.80 and 2,680.80 is: 4,023.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,141.12 : 9,217.80 = 2,680.80 : x
  2. Step 2: Convert to fraction form
    6,141.12/9,217.80 = 2,680.80/x
  3. Step 3: Cross multiply
    6,141.12x = 9,217.80 × 2,680.80
  4. Step 4: Simplify right side
    6,141.12x = 24,711,078.24
  5. Step 5: Solve for x
    x = 24,711,078.24/6,141.12
  6. Step 6: Final answer
    x = 4,023.87

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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.