Home / 4,111.75-6,167.63-1,375.75

Finding the Fourth Proportional to 4,111.75, 6,167.63 and 1,375.75

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Solution

The fourth proportional to 4,111.75, 6,167.63 and 1,375.75 is: 2,063.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.75 : 6,167.63 = 1,375.75 : x
  2. Step 2: Convert to fraction form
    4,111.75/6,167.63 = 1,375.75/x
  3. Step 3: Cross multiply
    4,111.75x = 6,167.63 × 1,375.75
  4. Step 4: Simplify right side
    4,111.75x = 8,485,116.97
  5. Step 5: Solve for x
    x = 8,485,116.97/4,111.75
  6. Step 6: Final answer
    x = 2,063.63

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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.