Home / 9,089.70-13,629.69-3,243.12

Finding the Fourth Proportional to 9,089.70, 13,629.69 and 3,243.12

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Solution

The fourth proportional to 9,089.70, 13,629.69 and 3,243.12 is: 4,862.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,089.70 : 13,629.69 = 3,243.12 : x
  2. Step 2: Convert to fraction form
    9,089.70/13,629.69 = 3,243.12/x
  3. Step 3: Cross multiply
    9,089.70x = 13,629.69 × 3,243.12
  4. Step 4: Simplify right side
    9,089.70x = 44,202,720.23
  5. Step 5: Solve for x
    x = 44,202,720.23/9,089.70
  6. Step 6: Final answer
    x = 4,862.95

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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.