Home / 4,940.65-7,399.98-3,549.80

Finding the Fourth Proportional to 4,940.65, 7,399.98 and 3,549.80

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Solution

The fourth proportional to 4,940.65, 7,399.98 and 3,549.80 is: 5,316.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.65 : 7,399.98 = 3,549.80 : x
  2. Step 2: Convert to fraction form
    4,940.65/7,399.98 = 3,549.80/x
  3. Step 3: Cross multiply
    4,940.65x = 7,399.98 × 3,549.80
  4. Step 4: Simplify right side
    4,940.65x = 26,268,456.68
  5. Step 5: Solve for x
    x = 26,268,456.68/4,940.65
  6. Step 6: Final answer
    x = 5,316.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.