Home / 7,922.84-11,884.20-2,079.36

Finding the Fourth Proportional to 7,922.84, 11,884.20 and 2,079.36

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Solution

The fourth proportional to 7,922.84, 11,884.20 and 2,079.36 is: 3,119.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.84 : 11,884.20 = 2,079.36 : x
  2. Step 2: Convert to fraction form
    7,922.84/11,884.20 = 2,079.36/x
  3. Step 3: Cross multiply
    7,922.84x = 11,884.20 × 2,079.36
  4. Step 4: Simplify right side
    7,922.84x = 24,711,530.11
  5. Step 5: Solve for x
    x = 24,711,530.11/7,922.84
  6. Step 6: Final answer
    x = 3,119.02

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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.