Home / 6,738.14-10,108.82-2,121.14

Finding the Fourth Proportional to 6,738.14, 10,108.82 and 2,121.14

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Solution

The fourth proportional to 6,738.14, 10,108.82 and 2,121.14 is: 3,182.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,738.14 : 10,108.82 = 2,121.14 : x
  2. Step 2: Convert to fraction form
    6,738.14/10,108.82 = 2,121.14/x
  3. Step 3: Cross multiply
    6,738.14x = 10,108.82 × 2,121.14
  4. Step 4: Simplify right side
    6,738.14x = 21,442,222.45
  5. Step 5: Solve for x
    x = 21,442,222.45/6,738.14
  6. Step 6: Final answer
    x = 3,182.22

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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.