Home / 6,721.68-10,077.20-2,560.88

Finding the Fourth Proportional to 6,721.68, 10,077.20 and 2,560.88

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Solution

The fourth proportional to 6,721.68, 10,077.20 and 2,560.88 is: 3,839.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.68 : 10,077.20 = 2,560.88 : x
  2. Step 2: Convert to fraction form
    6,721.68/10,077.20 = 2,560.88/x
  3. Step 3: Cross multiply
    6,721.68x = 10,077.20 × 2,560.88
  4. Step 4: Simplify right side
    6,721.68x = 25,806,499.94
  5. Step 5: Solve for x
    x = 25,806,499.94/6,721.68
  6. Step 6: Final answer
    x = 3,839.29

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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.