Home / 8,169.09-12,255.23-2,622.00

Finding the Fourth Proportional to 8,169.09, 12,255.23 and 2,622.00

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Solution

The fourth proportional to 8,169.09, 12,255.23 and 2,622.00 is: 3,933.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.09 : 12,255.23 = 2,622.00 : x
  2. Step 2: Convert to fraction form
    8,169.09/12,255.23 = 2,622.00/x
  3. Step 3: Cross multiply
    8,169.09x = 12,255.23 × 2,622.00
  4. Step 4: Simplify right side
    8,169.09x = 32,133,245.91
  5. Step 5: Solve for x
    x = 32,133,245.91/8,169.09
  6. Step 6: Final answer
    x = 3,933.52

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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.