Home / 4,845.92-6,685.89-2,855.75

Finding the Fourth Proportional to 4,845.92, 6,685.89 and 2,855.75

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Solution

The fourth proportional to 4,845.92, 6,685.89 and 2,855.75 is: 3,940.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845.92 : 6,685.89 = 2,855.75 : x
  2. Step 2: Convert to fraction form
    4,845.92/6,685.89 = 2,855.75/x
  3. Step 3: Cross multiply
    4,845.92x = 6,685.89 × 2,855.75
  4. Step 4: Simplify right side
    4,845.92x = 19,093,196.94
  5. Step 5: Solve for x
    x = 19,093,196.94/4,845.92
  6. Step 6: Final answer
    x = 3,940.06

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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.