Home / 6,743.68-10,119.84-3,279.04

Finding the Fourth Proportional to 6,743.68, 10,119.84 and 3,279.04

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Solution

The fourth proportional to 6,743.68, 10,119.84 and 3,279.04 is: 4,920.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,743.68 : 10,119.84 = 3,279.04 : x
  2. Step 2: Convert to fraction form
    6,743.68/10,119.84 = 3,279.04/x
  3. Step 3: Cross multiply
    6,743.68x = 10,119.84 × 3,279.04
  4. Step 4: Simplify right side
    6,743.68x = 33,183,360.15
  5. Step 5: Solve for x
    x = 33,183,360.15/6,743.68
  6. Step 6: Final answer
    x = 4,920.66

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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.