Home / 4,882.76-6,738.04-2,786.80

Finding the Fourth Proportional to 4,882.76, 6,738.04 and 2,786.80

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Solution

The fourth proportional to 4,882.76, 6,738.04 and 2,786.80 is: 3,845.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,882.76 : 6,738.04 = 2,786.80 : x
  2. Step 2: Convert to fraction form
    4,882.76/6,738.04 = 2,786.80/x
  3. Step 3: Cross multiply
    4,882.76x = 6,738.04 × 2,786.80
  4. Step 4: Simplify right side
    4,882.76x = 18,777,569.87
  5. Step 5: Solve for x
    x = 18,777,569.87/4,882.76
  6. Step 6: Final answer
    x = 3,845.69

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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.