Home / 9,136.20-13,696.06-3,288.68

Finding the Fourth Proportional to 9,136.20, 13,696.06 and 3,288.68

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Solution

The fourth proportional to 9,136.20, 13,696.06 and 3,288.68 is: 4,930.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.20 : 13,696.06 = 3,288.68 : x
  2. Step 2: Convert to fraction form
    9,136.20/13,696.06 = 3,288.68/x
  3. Step 3: Cross multiply
    9,136.20x = 13,696.06 × 3,288.68
  4. Step 4: Simplify right side
    9,136.20x = 45,041,958.60
  5. Step 5: Solve for x
    x = 45,041,958.60/9,136.20
  6. Step 6: Final answer
    x = 4,930.05

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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.