Home / 5,919.20-8,879.84-2,022.69

Finding the Fourth Proportional to 5,919.20, 8,879.84 and 2,022.69

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Solution

The fourth proportional to 5,919.20, 8,879.84 and 2,022.69 is: 3,034.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.20 : 8,879.84 = 2,022.69 : x
  2. Step 2: Convert to fraction form
    5,919.20/8,879.84 = 2,022.69/x
  3. Step 3: Cross multiply
    5,919.20x = 8,879.84 × 2,022.69
  4. Step 4: Simplify right side
    5,919.20x = 17,961,153.46
  5. Step 5: Solve for x
    x = 17,961,153.46/5,919.20
  6. Step 6: Final answer
    x = 3,034.39

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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.