Home / 4,105.68-6,163.97-1,915.94

Finding the Fourth Proportional to 4,105.68, 6,163.97 and 1,915.94

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Solution

The fourth proportional to 4,105.68, 6,163.97 and 1,915.94 is: 2,876.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.68 : 6,163.97 = 1,915.94 : x
  2. Step 2: Convert to fraction form
    4,105.68/6,163.97 = 1,915.94/x
  3. Step 3: Cross multiply
    4,105.68x = 6,163.97 × 1,915.94
  4. Step 4: Simplify right side
    4,105.68x = 11,809,796.68
  5. Step 5: Solve for x
    x = 11,809,796.68/4,105.68
  6. Step 6: Final answer
    x = 2,876.45

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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.