Home / 4,786.78-6,606.57-3,084.80

Finding the Fourth Proportional to 4,786.78, 6,606.57 and 3,084.80

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Solution

The fourth proportional to 4,786.78, 6,606.57 and 3,084.80 is: 4,257.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.78 : 6,606.57 = 3,084.80 : x
  2. Step 2: Convert to fraction form
    4,786.78/6,606.57 = 3,084.80/x
  3. Step 3: Cross multiply
    4,786.78x = 6,606.57 × 3,084.80
  4. Step 4: Simplify right side
    4,786.78x = 20,379,947.14
  5. Step 5: Solve for x
    x = 20,379,947.14/4,786.78
  6. Step 6: Final answer
    x = 4,257.55

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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.