Home / 4,940.91-6,818.57-2,951.09

Finding the Fourth Proportional to 4,940.91, 6,818.57 and 2,951.09

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Solution

The fourth proportional to 4,940.91, 6,818.57 and 2,951.09 is: 4,072.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.91 : 6,818.57 = 2,951.09 : x
  2. Step 2: Convert to fraction form
    4,940.91/6,818.57 = 2,951.09/x
  3. Step 3: Cross multiply
    4,940.91x = 6,818.57 × 2,951.09
  4. Step 4: Simplify right side
    4,940.91x = 20,122,213.74
  5. Step 5: Solve for x
    x = 20,122,213.74/4,940.91
  6. Step 6: Final answer
    x = 4,072.57

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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.