Home / 6,169.90-8,512.68-3,650.80

Finding the Fourth Proportional to 6,169.90, 8,512.68 and 3,650.80

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Solution

The fourth proportional to 6,169.90, 8,512.68 and 3,650.80 is: 5,037.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,169.90 : 8,512.68 = 3,650.80 : x
  2. Step 2: Convert to fraction form
    6,169.90/8,512.68 = 3,650.80/x
  3. Step 3: Cross multiply
    6,169.90x = 8,512.68 × 3,650.80
  4. Step 4: Simplify right side
    6,169.90x = 31,078,092.14
  5. Step 5: Solve for x
    x = 31,078,092.14/6,169.90
  6. Step 6: Final answer
    x = 5,037.05

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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.