Home / 6,753.88-10,129.44-2,072.68

Finding the Fourth Proportional to 6,753.88, 10,129.44 and 2,072.68

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Solution

The fourth proportional to 6,753.88, 10,129.44 and 2,072.68 is: 3,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,753.88 : 10,129.44 = 2,072.68 : x
  2. Step 2: Convert to fraction form
    6,753.88/10,129.44 = 2,072.68/x
  3. Step 3: Cross multiply
    6,753.88x = 10,129.44 × 2,072.68
  4. Step 4: Simplify right side
    6,753.88x = 20,995,087.70
  5. Step 5: Solve for x
    x = 20,995,087.70/6,753.88
  6. Step 6: Final answer
    x = 3,108.60

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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.