Home / 9,136.26-13,696.16-3,288.75

Finding the Fourth Proportional to 9,136.26, 13,696.16 and 3,288.75

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Solution

The fourth proportional to 9,136.26, 13,696.16 and 3,288.75 is: 4,930.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.26 : 13,696.16 = 3,288.75 : x
  2. Step 2: Convert to fraction form
    9,136.26/13,696.16 = 3,288.75/x
  3. Step 3: Cross multiply
    9,136.26x = 13,696.16 × 3,288.75
  4. Step 4: Simplify right side
    9,136.26x = 45,043,229.76
  5. Step 5: Solve for x
    x = 45,043,229.76/9,136.26
  6. Step 6: Final answer
    x = 4,930.16

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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.