Home / 7,979.70-11,969.55-4,043.10

Finding the Fourth Proportional to 7,979.70, 11,969.55 and 4,043.10

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Solution

The fourth proportional to 7,979.70, 11,969.55 and 4,043.10 is: 6,064.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.70 : 11,969.55 = 4,043.10 : x
  2. Step 2: Convert to fraction form
    7,979.70/11,969.55 = 4,043.10/x
  3. Step 3: Cross multiply
    7,979.70x = 11,969.55 × 4,043.10
  4. Step 4: Simplify right side
    7,979.70x = 48,394,087.61
  5. Step 5: Solve for x
    x = 48,394,087.61/7,979.70
  6. Step 6: Final answer
    x = 6,064.65

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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.