Home / 4,900.20-6,764.76-2,911.38

Finding the Fourth Proportional to 4,900.20, 6,764.76 and 2,911.38

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Solution

The fourth proportional to 4,900.20, 6,764.76 and 2,911.38 is: 4,019.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900.20 : 6,764.76 = 2,911.38 : x
  2. Step 2: Convert to fraction form
    4,900.20/6,764.76 = 2,911.38/x
  3. Step 3: Cross multiply
    4,900.20x = 6,764.76 × 2,911.38
  4. Step 4: Simplify right side
    4,900.20x = 19,694,786.97
  5. Step 5: Solve for x
    x = 19,694,786.97/4,900.20
  6. Step 6: Final answer
    x = 4,019.18

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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.