Home / 4,918.29-6,787.44-2,793.80

Finding the Fourth Proportional to 4,918.29, 6,787.44 and 2,793.80

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Solution

The fourth proportional to 4,918.29, 6,787.44 and 2,793.80 is: 3,855.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.29 : 6,787.44 = 2,793.80 : x
  2. Step 2: Convert to fraction form
    4,918.29/6,787.44 = 2,793.80/x
  3. Step 3: Cross multiply
    4,918.29x = 6,787.44 × 2,793.80
  4. Step 4: Simplify right side
    4,918.29x = 18,962,715.93
  5. Step 5: Solve for x
    x = 18,962,715.93/4,918.29
  6. Step 6: Final answer
    x = 3,855.55

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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.