Home / 8,022.43-12,033.78-2,178.89

Finding the Fourth Proportional to 8,022.43, 12,033.78 and 2,178.89

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Solution

The fourth proportional to 8,022.43, 12,033.78 and 2,178.89 is: 3,268.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,022.43 : 12,033.78 = 2,178.89 : x
  2. Step 2: Convert to fraction form
    8,022.43/12,033.78 = 2,178.89/x
  3. Step 3: Cross multiply
    8,022.43x = 12,033.78 × 2,178.89
  4. Step 4: Simplify right side
    8,022.43x = 26,220,282.90
  5. Step 5: Solve for x
    x = 26,220,282.90/8,022.43
  6. Step 6: Final answer
    x = 3,268.37

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1.5x scale

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.