Home / 6,964.68-9,610.04-3,939.79

Finding the Fourth Proportional to 6,964.68, 9,610.04 and 3,939.79

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Solution

The fourth proportional to 6,964.68, 9,610.04 and 3,939.79 is: 5,436.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,964.68 : 9,610.04 = 3,939.79 : x
  2. Step 2: Convert to fraction form
    6,964.68/9,610.04 = 3,939.79/x
  3. Step 3: Cross multiply
    6,964.68x = 9,610.04 × 3,939.79
  4. Step 4: Simplify right side
    6,964.68x = 37,861,543.33
  5. Step 5: Solve for x
    x = 37,861,543.33/6,964.68
  6. Step 6: Final answer
    x = 5,436.22

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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.