Home / 5,552.62-7,661.88-3,162.90

Finding the Fourth Proportional to 5,552.62, 7,661.88 and 3,162.90

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Solution

The fourth proportional to 5,552.62, 7,661.88 and 3,162.90 is: 4,364.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,552.62 : 7,661.88 = 3,162.90 : x
  2. Step 2: Convert to fraction form
    5,552.62/7,661.88 = 3,162.90/x
  3. Step 3: Cross multiply
    5,552.62x = 7,661.88 × 3,162.90
  4. Step 4: Simplify right side
    5,552.62x = 24,233,760.25
  5. Step 5: Solve for x
    x = 24,233,760.25/5,552.62
  6. Step 6: Final answer
    x = 4,364.38

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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.