Home / 4,982.01-7,470.54-3,940.80

Finding the Fourth Proportional to 4,982.01, 7,470.54 and 3,940.80

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Solution

The fourth proportional to 4,982.01, 7,470.54 and 3,940.80 is: 5,909.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.01 : 7,470.54 = 3,940.80 : x
  2. Step 2: Convert to fraction form
    4,982.01/7,470.54 = 3,940.80/x
  3. Step 3: Cross multiply
    4,982.01x = 7,470.54 × 3,940.80
  4. Step 4: Simplify right side
    4,982.01x = 29,439,904.03
  5. Step 5: Solve for x
    x = 29,439,904.03/4,982.01
  6. Step 6: Final answer
    x = 5,909.24

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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.