Home / 8,021.12-12,033.72-3,339.57

Finding the Fourth Proportional to 8,021.12, 12,033.72 and 3,339.57

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Solution

The fourth proportional to 8,021.12, 12,033.72 and 3,339.57 is: 5,010.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.12 : 12,033.72 = 3,339.57 : x
  2. Step 2: Convert to fraction form
    8,021.12/12,033.72 = 3,339.57/x
  3. Step 3: Cross multiply
    8,021.12x = 12,033.72 × 3,339.57
  4. Step 4: Simplify right side
    8,021.12x = 40,187,450.30
  5. Step 5: Solve for x
    x = 40,187,450.30/8,021.12
  6. Step 6: Final answer
    x = 5,010.21

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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.