Home / 4,112.30-6,163.92-1,919.22

Finding the Fourth Proportional to 4,112.30, 6,163.92 and 1,919.22

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Solution

The fourth proportional to 4,112.30, 6,163.92 and 1,919.22 is: 2,876.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.30 : 6,163.92 = 1,919.22 : x
  2. Step 2: Convert to fraction form
    4,112.30/6,163.92 = 1,919.22/x
  3. Step 3: Cross multiply
    4,112.30x = 6,163.92 × 1,919.22
  4. Step 4: Simplify right side
    4,112.30x = 11,829,918.54
  5. Step 5: Solve for x
    x = 11,829,918.54/4,112.30
  6. Step 6: Final answer
    x = 2,876.72

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1.5x scale

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.