Home / 7,923.79-11,884.76-2,080.86

Finding the Fourth Proportional to 7,923.79, 11,884.76 and 2,080.86

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Solution

The fourth proportional to 7,923.79, 11,884.76 and 2,080.86 is: 3,121.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.79 : 11,884.76 = 2,080.86 : x
  2. Step 2: Convert to fraction form
    7,923.79/11,884.76 = 2,080.86/x
  3. Step 3: Cross multiply
    7,923.79x = 11,884.76 × 2,080.86
  4. Step 4: Simplify right side
    7,923.79x = 24,730,451.87
  5. Step 5: Solve for x
    x = 24,730,451.87/7,923.79
  6. Step 6: Final answer
    x = 3,121.04

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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.