Home / 4,942.97-6,823.78-3,821.37

Finding the Fourth Proportional to 4,942.97, 6,823.78 and 3,821.37

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Solution

The fourth proportional to 4,942.97, 6,823.78 and 3,821.37 is: 5,275.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.97 : 6,823.78 = 3,821.37 : x
  2. Step 2: Convert to fraction form
    4,942.97/6,823.78 = 3,821.37/x
  3. Step 3: Cross multiply
    4,942.97x = 6,823.78 × 3,821.37
  4. Step 4: Simplify right side
    4,942.97x = 26,076,188.18
  5. Step 5: Solve for x
    x = 26,076,188.18/4,942.97
  6. Step 6: Final answer
    x = 5,275.41

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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.