Home / 6,679.68-10,021.95-3,170.76

Finding the Fourth Proportional to 6,679.68, 10,021.95 and 3,170.76

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Solution

The fourth proportional to 6,679.68, 10,021.95 and 3,170.76 is: 4,757.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.68 : 10,021.95 = 3,170.76 : x
  2. Step 2: Convert to fraction form
    6,679.68/10,021.95 = 3,170.76/x
  3. Step 3: Cross multiply
    6,679.68x = 10,021.95 × 3,170.76
  4. Step 4: Simplify right side
    6,679.68x = 31,777,198.18
  5. Step 5: Solve for x
    x = 31,777,198.18/6,679.68
  6. Step 6: Final answer
    x = 4,757.29

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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.