Home / 9,829.20-14,743.80-3,982.80

Finding the Fourth Proportional to 9,829.20, 14,743.80 and 3,982.80

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Solution

The fourth proportional to 9,829.20, 14,743.80 and 3,982.80 is: 5,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829.20 : 14,743.80 = 3,982.80 : x
  2. Step 2: Convert to fraction form
    9,829.20/14,743.80 = 3,982.80/x
  3. Step 3: Cross multiply
    9,829.20x = 14,743.80 × 3,982.80
  4. Step 4: Simplify right side
    9,829.20x = 58,721,606.64
  5. Step 5: Solve for x
    x = 58,721,606.64/9,829.20
  6. Step 6: Final answer
    x = 5,974.20

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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.