Home / 7,942.12-11,914.98-2,676.97

Finding the Fourth Proportional to 7,942.12, 11,914.98 and 2,676.97

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Solution

The fourth proportional to 7,942.12, 11,914.98 and 2,676.97 is: 4,016.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.12 : 11,914.98 = 2,676.97 : x
  2. Step 2: Convert to fraction form
    7,942.12/11,914.98 = 2,676.97/x
  3. Step 3: Cross multiply
    7,942.12x = 11,914.98 × 2,676.97
  4. Step 4: Simplify right side
    7,942.12x = 31,896,044.01
  5. Step 5: Solve for x
    x = 31,896,044.01/7,942.12
  6. Step 6: Final answer
    x = 4,016.06

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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.