Home / 7,939.72-11,908.67-2,096.79

Finding the Fourth Proportional to 7,939.72, 11,908.67 and 2,096.79

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Solution

The fourth proportional to 7,939.72, 11,908.67 and 2,096.79 is: 3,144.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.72 : 11,908.67 = 2,096.79 : x
  2. Step 2: Convert to fraction form
    7,939.72/11,908.67 = 2,096.79/x
  3. Step 3: Cross multiply
    7,939.72x = 11,908.67 × 2,096.79
  4. Step 4: Simplify right side
    7,939.72x = 24,969,936.82
  5. Step 5: Solve for x
    x = 24,969,936.82/7,939.72
  6. Step 6: Final answer
    x = 3,144.94

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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.