Home / 7,680.27-11,521.08-3,296.70

Finding the Fourth Proportional to 7,680.27, 11,521.08 and 3,296.70

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Solution

The fourth proportional to 7,680.27, 11,521.08 and 3,296.70 is: 4,945.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680.27 : 11,521.08 = 3,296.70 : x
  2. Step 2: Convert to fraction form
    7,680.27/11,521.08 = 3,296.70/x
  3. Step 3: Cross multiply
    7,680.27x = 11,521.08 × 3,296.70
  4. Step 4: Simplify right side
    7,680.27x = 37,981,544.44
  5. Step 5: Solve for x
    x = 37,981,544.44/7,680.27
  6. Step 6: Final answer
    x = 4,945.34

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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.