Home / 6,820.82-10,229.03-2,659.80

Finding the Fourth Proportional to 6,820.82, 10,229.03 and 2,659.80

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Solution

The fourth proportional to 6,820.82, 10,229.03 and 2,659.80 is: 3,988.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820.82 : 10,229.03 = 2,659.80 : x
  2. Step 2: Convert to fraction form
    6,820.82/10,229.03 = 2,659.80/x
  3. Step 3: Cross multiply
    6,820.82x = 10,229.03 × 2,659.80
  4. Step 4: Simplify right side
    6,820.82x = 27,207,160.70
  5. Step 5: Solve for x
    x = 27,207,160.70/6,820.82
  6. Step 6: Final answer
    x = 3,988.84

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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.