Home / 4,121.62-6,176.66-1,924.90

Finding the Fourth Proportional to 4,121.62, 6,176.66 and 1,924.90

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Solution

The fourth proportional to 4,121.62, 6,176.66 and 1,924.90 is: 2,884.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.62 : 6,176.66 = 1,924.90 : x
  2. Step 2: Convert to fraction form
    4,121.62/6,176.66 = 1,924.90/x
  3. Step 3: Cross multiply
    4,121.62x = 6,176.66 × 1,924.90
  4. Step 4: Simplify right side
    4,121.62x = 11,889,452.83
  5. Step 5: Solve for x
    x = 11,889,452.83/4,121.62
  6. Step 6: Final answer
    x = 2,884.66

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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.