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Finding the Fourth Proportional to 6,882.69, 9,498.06 and 3,738.90

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Solution

The fourth proportional to 6,882.69, 9,498.06 and 3,738.90 is: 5,159.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,882.69 : 9,498.06 = 3,738.90 : x
  2. Step 2: Convert to fraction form
    6,882.69/9,498.06 = 3,738.90/x
  3. Step 3: Cross multiply
    6,882.69x = 9,498.06 × 3,738.90
  4. Step 4: Simplify right side
    6,882.69x = 35,512,296.53
  5. Step 5: Solve for x
    x = 35,512,296.53/6,882.69
  6. Step 6: Final answer
    x = 5,159.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.