Home / 7,316.08-10,974.94-2,121.95

Finding the Fourth Proportional to 7,316.08, 10,974.94 and 2,121.95

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Solution

The fourth proportional to 7,316.08, 10,974.94 and 2,121.95 is: 3,183.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.08 : 10,974.94 = 2,121.95 : x
  2. Step 2: Convert to fraction form
    7,316.08/10,974.94 = 2,121.95/x
  3. Step 3: Cross multiply
    7,316.08x = 10,974.94 × 2,121.95
  4. Step 4: Simplify right side
    7,316.08x = 23,288,296.07
  5. Step 5: Solve for x
    x = 23,288,296.07/7,316.08
  6. Step 6: Final answer
    x = 3,183.17

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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.