Home / 4,976.25-6,866.78-2,738.22

Finding the Fourth Proportional to 4,976.25, 6,866.78 and 2,738.22

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Solution

The fourth proportional to 4,976.25, 6,866.78 and 2,738.22 is: 3,778.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.25 : 6,866.78 = 2,738.22 : x
  2. Step 2: Convert to fraction form
    4,976.25/6,866.78 = 2,738.22/x
  3. Step 3: Cross multiply
    4,976.25x = 6,866.78 × 2,738.22
  4. Step 4: Simplify right side
    4,976.25x = 18,802,740.64
  5. Step 5: Solve for x
    x = 18,802,740.64/4,976.25
  6. Step 6: Final answer
    x = 3,778.50

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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.