Home / 7,079.88-10,619.82-3,179.73

Finding the Fourth Proportional to 7,079.88, 10,619.82 and 3,179.73

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Solution

The fourth proportional to 7,079.88, 10,619.82 and 3,179.73 is: 4,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.88 : 10,619.82 = 3,179.73 : x
  2. Step 2: Convert to fraction form
    7,079.88/10,619.82 = 3,179.73/x
  3. Step 3: Cross multiply
    7,079.88x = 10,619.82 × 3,179.73
  4. Step 4: Simplify right side
    7,079.88x = 33,768,160.25
  5. Step 5: Solve for x
    x = 33,768,160.25/7,079.88
  6. Step 6: Final answer
    x = 4,769.60

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Double scale
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Similar ratio
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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.