Home / 8,169.37-12,255.64-2,622.29

Finding the Fourth Proportional to 8,169.37, 12,255.64 and 2,622.29

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Solution

The fourth proportional to 8,169.37, 12,255.64 and 2,622.29 is: 3,933.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.37 : 12,255.64 = 2,622.29 : x
  2. Step 2: Convert to fraction form
    8,169.37/12,255.64 = 2,622.29/x
  3. Step 3: Cross multiply
    8,169.37x = 12,255.64 × 2,622.29
  4. Step 4: Simplify right side
    8,169.37x = 32,137,780.94
  5. Step 5: Solve for x
    x = 32,137,780.94/8,169.37
  6. Step 6: Final answer
    x = 3,933.94

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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.