Home / 5,411.26-8,119.05-2,291.95

Finding the Fourth Proportional to 5,411.26, 8,119.05 and 2,291.95

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Solution

The fourth proportional to 5,411.26, 8,119.05 and 2,291.95 is: 3,438.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.26 : 8,119.05 = 2,291.95 : x
  2. Step 2: Convert to fraction form
    5,411.26/8,119.05 = 2,291.95/x
  3. Step 3: Cross multiply
    5,411.26x = 8,119.05 × 2,291.95
  4. Step 4: Simplify right side
    5,411.26x = 18,608,456.65
  5. Step 5: Solve for x
    x = 18,608,456.65/5,411.26
  6. Step 6: Final answer
    x = 3,438.84

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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.