Home / 5,310.92-7,967.34-2,189.19

Finding the Fourth Proportional to 5,310.92, 7,967.34 and 2,189.19

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Solution

The fourth proportional to 5,310.92, 7,967.34 and 2,189.19 is: 3,284.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.92 : 7,967.34 = 2,189.19 : x
  2. Step 2: Convert to fraction form
    5,310.92/7,967.34 = 2,189.19/x
  3. Step 3: Cross multiply
    5,310.92x = 7,967.34 × 2,189.19
  4. Step 4: Simplify right side
    5,310.92x = 17,442,021.05
  5. Step 5: Solve for x
    x = 17,442,021.05/5,310.92
  6. Step 6: Final answer
    x = 3,284.18

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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.