Home / 5,552.11-7,661.20-3,162.40

Finding the Fourth Proportional to 5,552.11, 7,661.20 and 3,162.40

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Solution

The fourth proportional to 5,552.11, 7,661.20 and 3,162.40 is: 4,363.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,552.11 : 7,661.20 = 3,162.40 : x
  2. Step 2: Convert to fraction form
    5,552.11/7,661.20 = 3,162.40/x
  3. Step 3: Cross multiply
    5,552.11x = 7,661.20 × 3,162.40
  4. Step 4: Simplify right side
    5,552.11x = 24,227,778.88
  5. Step 5: Solve for x
    x = 24,227,778.88/5,552.11
  6. Step 6: Final answer
    x = 4,363.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.