Home / 7,175.71-10,765.89-3,229.09

Finding the Fourth Proportional to 7,175.71, 10,765.89 and 3,229.09

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Solution

The fourth proportional to 7,175.71, 10,765.89 and 3,229.09 is: 4,844.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175.71 : 10,765.89 = 3,229.09 : x
  2. Step 2: Convert to fraction form
    7,175.71/10,765.89 = 3,229.09/x
  3. Step 3: Cross multiply
    7,175.71x = 10,765.89 × 3,229.09
  4. Step 4: Simplify right side
    7,175.71x = 34,764,022.02
  5. Step 5: Solve for x
    x = 34,764,022.02/7,175.71
  6. Step 6: Final answer
    x = 4,844.68

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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.