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Finding the Fourth Proportional to 6,636.30, 9,954.45 and 2,738.58

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Solution

The fourth proportional to 6,636.30, 9,954.45 and 2,738.58 is: 4,107.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.30 : 9,954.45 = 2,738.58 : x
  2. Step 2: Convert to fraction form
    6,636.30/9,954.45 = 2,738.58/x
  3. Step 3: Cross multiply
    6,636.30x = 9,954.45 × 2,738.58
  4. Step 4: Simplify right side
    6,636.30x = 27,261,057.68
  5. Step 5: Solve for x
    x = 27,261,057.68/6,636.30
  6. Step 6: Final answer
    x = 4,107.87

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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.