Home / 4,758.84-7,143.57-2,786.79

Finding the Fourth Proportional to 4,758.84, 7,143.57 and 2,786.79

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Solution

The fourth proportional to 4,758.84, 7,143.57 and 2,786.79 is: 4,183.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.84 : 7,143.57 = 2,786.79 : x
  2. Step 2: Convert to fraction form
    4,758.84/7,143.57 = 2,786.79/x
  3. Step 3: Cross multiply
    4,758.84x = 7,143.57 × 2,786.79
  4. Step 4: Simplify right side
    4,758.84x = 19,907,629.44
  5. Step 5: Solve for x
    x = 19,907,629.44/4,758.84
  6. Step 6: Final answer
    x = 4,183.29

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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.