Home / 7,680.87-11,519.02-3,297.28

Finding the Fourth Proportional to 7,680.87, 11,519.02 and 3,297.28

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Solution

The fourth proportional to 7,680.87, 11,519.02 and 3,297.28 is: 4,944.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680.87 : 11,519.02 = 3,297.28 : x
  2. Step 2: Convert to fraction form
    7,680.87/11,519.02 = 3,297.28/x
  3. Step 3: Cross multiply
    7,680.87x = 11,519.02 × 3,297.28
  4. Step 4: Simplify right side
    7,680.87x = 37,981,434.27
  5. Step 5: Solve for x
    x = 37,981,434.27/7,680.87
  6. Step 6: Final answer
    x = 4,944.94

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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.