Home / 7,923.32-11,884.50-2,079.92

Finding the Fourth Proportional to 7,923.32, 11,884.50 and 2,079.92

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Solution

The fourth proportional to 7,923.32, 11,884.50 and 2,079.92 is: 3,119.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.32 : 11,884.50 = 2,079.92 : x
  2. Step 2: Convert to fraction form
    7,923.32/11,884.50 = 2,079.92/x
  3. Step 3: Cross multiply
    7,923.32x = 11,884.50 × 2,079.92
  4. Step 4: Simplify right side
    7,923.32x = 24,718,809.24
  5. Step 5: Solve for x
    x = 24,718,809.24/7,923.32
  6. Step 6: Final answer
    x = 3,119.75

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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.