Home / 4,778.62-7,164.25-2,179.73

Finding the Fourth Proportional to 4,778.62, 7,164.25 and 2,179.73

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Solution

The fourth proportional to 4,778.62, 7,164.25 and 2,179.73 is: 3,267.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.62 : 7,164.25 = 2,179.73 : x
  2. Step 2: Convert to fraction form
    4,778.62/7,164.25 = 2,179.73/x
  3. Step 3: Cross multiply
    4,778.62x = 7,164.25 × 2,179.73
  4. Step 4: Simplify right side
    4,778.62x = 15,616,130.65
  5. Step 5: Solve for x
    x = 15,616,130.65/4,778.62
  6. Step 6: Final answer
    x = 3,267.92

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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.