Home / 7,992.72-11,984.36-2,725.83

Finding the Fourth Proportional to 7,992.72, 11,984.36 and 2,725.83

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Solution

The fourth proportional to 7,992.72, 11,984.36 and 2,725.83 is: 4,087.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.72 : 11,984.36 = 2,725.83 : x
  2. Step 2: Convert to fraction form
    7,992.72/11,984.36 = 2,725.83/x
  3. Step 3: Cross multiply
    7,992.72x = 11,984.36 × 2,725.83
  4. Step 4: Simplify right side
    7,992.72x = 32,667,314.39
  5. Step 5: Solve for x
    x = 32,667,314.39/7,992.72
  6. Step 6: Final answer
    x = 4,087.13

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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.