Home / 6,786.26-10,175.46-2,105.02

Finding the Fourth Proportional to 6,786.26, 10,175.46 and 2,105.02

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Solution

The fourth proportional to 6,786.26, 10,175.46 and 2,105.02 is: 3,156.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.26 : 10,175.46 = 2,105.02 : x
  2. Step 2: Convert to fraction form
    6,786.26/10,175.46 = 2,105.02/x
  3. Step 3: Cross multiply
    6,786.26x = 10,175.46 × 2,105.02
  4. Step 4: Simplify right side
    6,786.26x = 21,419,546.81
  5. Step 5: Solve for x
    x = 21,419,546.81/6,786.26
  6. Step 6: Final answer
    x = 3,156.31

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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.