Home / 4,482-6,723.24-3,179.76

Finding the Fourth Proportional to 4,482, 6,723.24 and 3,179.76

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Solution

The fourth proportional to 4,482, 6,723.24 and 3,179.76 is: 4,769.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,482 : 6,723.24 = 3,179.76 : x
  2. Step 2: Convert to fraction form
    4,482/6,723.24 = 3,179.76/x
  3. Step 3: Cross multiply
    4,482x = 6,723.24 × 3,179.76
  4. Step 4: Simplify right side
    4,482x = 21,378,289.62
  5. Step 5: Solve for x
    x = 21,378,289.62/4,482
  6. Step 6: Final answer
    x = 4,769.81

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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.