Home / 4,738.05-6,535.62-3,144.78

Finding the Fourth Proportional to 4,738.05, 6,535.62 and 3,144.78

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Solution

The fourth proportional to 4,738.05, 6,535.62 and 3,144.78 is: 4,337.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.05 : 6,535.62 = 3,144.78 : x
  2. Step 2: Convert to fraction form
    4,738.05/6,535.62 = 3,144.78/x
  3. Step 3: Cross multiply
    4,738.05x = 6,535.62 × 3,144.78
  4. Step 4: Simplify right side
    4,738.05x = 20,553,087.06
  5. Step 5: Solve for x
    x = 20,553,087.06/4,738.05
  6. Step 6: Final answer
    x = 4,337.88

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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.