Home / 6,919.26-10,375.26-4,149.06

Finding the Fourth Proportional to 6,919.26, 10,375.26 and 4,149.06

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Solution

The fourth proportional to 6,919.26, 10,375.26 and 4,149.06 is: 6,221.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.26 : 10,375.26 = 4,149.06 : x
  2. Step 2: Convert to fraction form
    6,919.26/10,375.26 = 4,149.06/x
  3. Step 3: Cross multiply
    6,919.26x = 10,375.26 × 4,149.06
  4. Step 4: Simplify right side
    6,919.26x = 43,047,576.26
  5. Step 5: Solve for x
    x = 43,047,576.26/6,919.26
  6. Step 6: Final answer
    x = 6,221.41

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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.