Home / 4,905.43-6,767.69-3,227.78

Finding the Fourth Proportional to 4,905.43, 6,767.69 and 3,227.78

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Solution

The fourth proportional to 4,905.43, 6,767.69 and 3,227.78 is: 4,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.43 : 6,767.69 = 3,227.78 : x
  2. Step 2: Convert to fraction form
    4,905.43/6,767.69 = 3,227.78/x
  3. Step 3: Cross multiply
    4,905.43x = 6,767.69 × 3,227.78
  4. Step 4: Simplify right side
    4,905.43x = 21,844,615.21
  5. Step 5: Solve for x
    x = 21,844,615.21/4,905.43
  6. Step 6: Final answer
    x = 4,453.15

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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.