Home / 7,922.12-11,883.04-2,727.88

Finding the Fourth Proportional to 7,922.12, 11,883.04 and 2,727.88

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Solution

The fourth proportional to 7,922.12, 11,883.04 and 2,727.88 is: 4,091.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.12 : 11,883.04 = 2,727.88 : x
  2. Step 2: Convert to fraction form
    7,922.12/11,883.04 = 2,727.88/x
  3. Step 3: Cross multiply
    7,922.12x = 11,883.04 × 2,727.88
  4. Step 4: Simplify right side
    7,922.12x = 32,415,507.16
  5. Step 5: Solve for x
    x = 32,415,507.16/7,922.12
  6. Step 6: Final answer
    x = 4,091.77

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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.