Home / 7,939.92-10,952.08-5,110.96

Finding the Fourth Proportional to 7,939.92, 10,952.08 and 5,110.96

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Solution

The fourth proportional to 7,939.92, 10,952.08 and 5,110.96 is: 7,049.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.92 : 10,952.08 = 5,110.96 : x
  2. Step 2: Convert to fraction form
    7,939.92/10,952.08 = 5,110.96/x
  3. Step 3: Cross multiply
    7,939.92x = 10,952.08 × 5,110.96
  4. Step 4: Simplify right side
    7,939.92x = 55,975,642.80
  5. Step 5: Solve for x
    x = 55,975,642.80/7,939.92
  6. Step 6: Final answer
    x = 7,049.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.