Home / 8,028.15-11,078.90-4,491.42

Finding the Fourth Proportional to 8,028.15, 11,078.90 and 4,491.42

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Solution

The fourth proportional to 8,028.15, 11,078.90 and 4,491.42 is: 6,198.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.15 : 11,078.90 = 4,491.42 : x
  2. Step 2: Convert to fraction form
    8,028.15/11,078.90 = 4,491.42/x
  3. Step 3: Cross multiply
    8,028.15x = 11,078.90 × 4,491.42
  4. Step 4: Simplify right side
    8,028.15x = 49,759,993.04
  5. Step 5: Solve for x
    x = 49,759,993.04/8,028.15
  6. Step 6: Final answer
    x = 6,198.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.