Home / 7,229.39-10,844.03-3,720.38

Finding the Fourth Proportional to 7,229.39, 10,844.03 and 3,720.38

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Solution

The fourth proportional to 7,229.39, 10,844.03 and 3,720.38 is: 5,580.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229.39 : 10,844.03 = 3,720.38 : x
  2. Step 2: Convert to fraction form
    7,229.39/10,844.03 = 3,720.38/x
  3. Step 3: Cross multiply
    7,229.39x = 10,844.03 × 3,720.38
  4. Step 4: Simplify right side
    7,229.39x = 40,343,867.41
  5. Step 5: Solve for x
    x = 40,343,867.41/7,229.39
  6. Step 6: Final answer
    x = 5,580.54

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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.