Home / 4,895.25-6,755.85-2,799.78

Finding the Fourth Proportional to 4,895.25, 6,755.85 and 2,799.78

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Solution

The fourth proportional to 4,895.25, 6,755.85 and 2,799.78 is: 3,863.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,895.25 : 6,755.85 = 2,799.78 : x
  2. Step 2: Convert to fraction form
    4,895.25/6,755.85 = 2,799.78/x
  3. Step 3: Cross multiply
    4,895.25x = 6,755.85 × 2,799.78
  4. Step 4: Simplify right side
    4,895.25x = 18,914,893.71
  5. Step 5: Solve for x
    x = 18,914,893.71/4,895.25
  6. Step 6: Final answer
    x = 3,863.93

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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.