Home / 5,621-7,759.60-3,262.68

Finding the Fourth Proportional to 5,621, 7,759.60 and 3,262.68

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Solution

The fourth proportional to 5,621, 7,759.60 and 3,262.68 is: 4,504.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621 : 7,759.60 = 3,262.68 : x
  2. Step 2: Convert to fraction form
    5,621/7,759.60 = 3,262.68/x
  3. Step 3: Cross multiply
    5,621x = 7,759.60 × 3,262.68
  4. Step 4: Simplify right side
    5,621x = 25,317,091.73
  5. Step 5: Solve for x
    x = 25,317,091.73/5,621
  6. Step 6: Final answer
    x = 4,504.02

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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.