Home / 4,910.80-6,776.78-2,757.29

Finding the Fourth Proportional to 4,910.80, 6,776.78 and 2,757.29

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Solution

The fourth proportional to 4,910.80, 6,776.78 and 2,757.29 is: 3,804.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.80 : 6,776.78 = 2,757.29 : x
  2. Step 2: Convert to fraction form
    4,910.80/6,776.78 = 2,757.29/x
  3. Step 3: Cross multiply
    4,910.80x = 6,776.78 × 2,757.29
  4. Step 4: Simplify right side
    4,910.80x = 18,685,513.84
  5. Step 5: Solve for x
    x = 18,685,513.84/4,910.80
  6. Step 6: Final answer
    x = 3,804.99

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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.