Home / 7,217.80-10,820.22-3,757.48

Finding the Fourth Proportional to 7,217.80, 10,820.22 and 3,757.48

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Solution

The fourth proportional to 7,217.80, 10,820.22 and 3,757.48 is: 5,632.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.80 : 10,820.22 = 3,757.48 : x
  2. Step 2: Convert to fraction form
    7,217.80/10,820.22 = 3,757.48/x
  3. Step 3: Cross multiply
    7,217.80x = 10,820.22 × 3,757.48
  4. Step 4: Simplify right side
    7,217.80x = 40,656,760.25
  5. Step 5: Solve for x
    x = 40,656,760.25/7,217.80
  6. Step 6: Final answer
    x = 5,632.85

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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.