Home / 7,789.80-11,684.97-1,946.73

Finding the Fourth Proportional to 7,789.80, 11,684.97 and 1,946.73

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Solution

The fourth proportional to 7,789.80, 11,684.97 and 1,946.73 is: 2,920.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.80 : 11,684.97 = 1,946.73 : x
  2. Step 2: Convert to fraction form
    7,789.80/11,684.97 = 1,946.73/x
  3. Step 3: Cross multiply
    7,789.80x = 11,684.97 × 1,946.73
  4. Step 4: Simplify right side
    7,789.80x = 22,747,481.65
  5. Step 5: Solve for x
    x = 22,747,481.65/7,789.80
  6. Step 6: Final answer
    x = 2,920.16

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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.