Home / 6,686.36-10,013.96-3,391.46

Finding the Fourth Proportional to 6,686.36, 10,013.96 and 3,391.46

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Solution

The fourth proportional to 6,686.36, 10,013.96 and 3,391.46 is: 5,079.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.36 : 10,013.96 = 3,391.46 : x
  2. Step 2: Convert to fraction form
    6,686.36/10,013.96 = 3,391.46/x
  3. Step 3: Cross multiply
    6,686.36x = 10,013.96 × 3,391.46
  4. Step 4: Simplify right side
    6,686.36x = 33,961,944.78
  5. Step 5: Solve for x
    x = 33,961,944.78/6,686.36
  6. Step 6: Final answer
    x = 5,079.29

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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.