Home / 7,148.21-10,717.97-3,198.73

Finding the Fourth Proportional to 7,148.21, 10,717.97 and 3,198.73

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Solution

The fourth proportional to 7,148.21, 10,717.97 and 3,198.73 is: 4,796.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148.21 : 10,717.97 = 3,198.73 : x
  2. Step 2: Convert to fraction form
    7,148.21/10,717.97 = 3,198.73/x
  3. Step 3: Cross multiply
    7,148.21x = 10,717.97 × 3,198.73
  4. Step 4: Simplify right side
    7,148.21x = 34,283,892.18
  5. Step 5: Solve for x
    x = 34,283,892.18/7,148.21
  6. Step 6: Final answer
    x = 4,796.15

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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.