Home / 7,316.31-10,974.77-2,122.19

Finding the Fourth Proportional to 7,316.31, 10,974.77 and 2,122.19

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Solution

The fourth proportional to 7,316.31, 10,974.77 and 2,122.19 is: 3,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.31 : 10,974.77 = 2,122.19 : x
  2. Step 2: Convert to fraction form
    7,316.31/10,974.77 = 2,122.19/x
  3. Step 3: Cross multiply
    7,316.31x = 10,974.77 × 2,122.19
  4. Step 4: Simplify right side
    7,316.31x = 23,290,547.15
  5. Step 5: Solve for x
    x = 23,290,547.15/7,316.31
  6. Step 6: Final answer
    x = 3,183.37

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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.