Home / 4,453.62-6,680.43-2,812.66

Finding the Fourth Proportional to 4,453.62, 6,680.43 and 2,812.66

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Solution

The fourth proportional to 4,453.62, 6,680.43 and 2,812.66 is: 4,218.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.62 : 6,680.43 = 2,812.66 : x
  2. Step 2: Convert to fraction form
    4,453.62/6,680.43 = 2,812.66/x
  3. Step 3: Cross multiply
    4,453.62x = 6,680.43 × 2,812.66
  4. Step 4: Simplify right side
    4,453.62x = 18,789,778.24
  5. Step 5: Solve for x
    x = 18,789,778.24/4,453.62
  6. Step 6: Final answer
    x = 4,218.99

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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.