Home / 4,940.69-6,806.70-3,169.22

Finding the Fourth Proportional to 4,940.69, 6,806.70 and 3,169.22

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Solution

The fourth proportional to 4,940.69, 6,806.70 and 3,169.22 is: 4,366.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.69 : 6,806.70 = 3,169.22 : x
  2. Step 2: Convert to fraction form
    4,940.69/6,806.70 = 3,169.22/x
  3. Step 3: Cross multiply
    4,940.69x = 6,806.70 × 3,169.22
  4. Step 4: Simplify right side
    4,940.69x = 21,571,895.74
  5. Step 5: Solve for x
    x = 21,571,895.74/4,940.69
  6. Step 6: Final answer
    x = 4,366.18

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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.