Home / 5,617.26-8,427.21-1,919.52

Finding the Fourth Proportional to 5,617.26, 8,427.21 and 1,919.52

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Solution

The fourth proportional to 5,617.26, 8,427.21 and 1,919.52 is: 2,879.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.26 : 8,427.21 = 1,919.52 : x
  2. Step 2: Convert to fraction form
    5,617.26/8,427.21 = 1,919.52/x
  3. Step 3: Cross multiply
    5,617.26x = 8,427.21 × 1,919.52
  4. Step 4: Simplify right side
    5,617.26x = 16,176,198.14
  5. Step 5: Solve for x
    x = 16,176,198.14/5,617.26
  6. Step 6: Final answer
    x = 2,879.73

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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.