Home / 6,871.07-10,304.49-1,939.38

Finding the Fourth Proportional to 6,871.07, 10,304.49 and 1,939.38

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Solution

The fourth proportional to 6,871.07, 10,304.49 and 1,939.38 is: 2,908.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.07 : 10,304.49 = 1,939.38 : x
  2. Step 2: Convert to fraction form
    6,871.07/10,304.49 = 1,939.38/x
  3. Step 3: Cross multiply
    6,871.07x = 10,304.49 × 1,939.38
  4. Step 4: Simplify right side
    6,871.07x = 19,984,321.82
  5. Step 5: Solve for x
    x = 19,984,321.82/6,871.07
  6. Step 6: Final answer
    x = 2,908.48

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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.