Home / 7,680.58-11,524.30-3,729.66

Finding the Fourth Proportional to 7,680.58, 11,524.30 and 3,729.66

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Solution

The fourth proportional to 7,680.58, 11,524.30 and 3,729.66 is: 5,596.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680.58 : 11,524.30 = 3,729.66 : x
  2. Step 2: Convert to fraction form
    7,680.58/11,524.30 = 3,729.66/x
  3. Step 3: Cross multiply
    7,680.58x = 11,524.30 × 3,729.66
  4. Step 4: Simplify right side
    7,680.58x = 42,981,720.74
  5. Step 5: Solve for x
    x = 42,981,720.74/7,680.58
  6. Step 6: Final answer
    x = 5,596.16

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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.