Home / 4,910.30-6,776.97-2,786.07

Finding the Fourth Proportional to 4,910.30, 6,776.97 and 2,786.07

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Solution

The fourth proportional to 4,910.30, 6,776.97 and 2,786.07 is: 3,845.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.30 : 6,776.97 = 2,786.07 : x
  2. Step 2: Convert to fraction form
    4,910.30/6,776.97 = 2,786.07/x
  3. Step 3: Cross multiply
    4,910.30x = 6,776.97 × 2,786.07
  4. Step 4: Simplify right side
    4,910.30x = 18,881,087.39
  5. Step 5: Solve for x
    x = 18,881,087.39/4,910.30
  6. Step 6: Final answer
    x = 3,845.20

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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.