Home / 7,229.25-10,839.62-3,530.39

Finding the Fourth Proportional to 7,229.25, 10,839.62 and 3,530.39

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Solution

The fourth proportional to 7,229.25, 10,839.62 and 3,530.39 is: 5,293.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229.25 : 10,839.62 = 3,530.39 : x
  2. Step 2: Convert to fraction form
    7,229.25/10,839.62 = 3,530.39/x
  3. Step 3: Cross multiply
    7,229.25x = 10,839.62 × 3,530.39
  4. Step 4: Simplify right side
    7,229.25x = 38,268,040.68
  5. Step 5: Solve for x
    x = 38,268,040.68/7,229.25
  6. Step 6: Final answer
    x = 5,293.50

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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.