Home / 8,383.08-12,567.26-3,185.48

Finding the Fourth Proportional to 8,383.08, 12,567.26 and 3,185.48

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Solution

The fourth proportional to 8,383.08, 12,567.26 and 3,185.48 is: 4,775.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.08 : 12,567.26 = 3,185.48 : x
  2. Step 2: Convert to fraction form
    8,383.08/12,567.26 = 3,185.48/x
  3. Step 3: Cross multiply
    8,383.08x = 12,567.26 × 3,185.48
  4. Step 4: Simplify right side
    8,383.08x = 40,032,755.38
  5. Step 5: Solve for x
    x = 40,032,755.38/8,383.08
  6. Step 6: Final answer
    x = 4,775.42

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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.