Home / 6,109.37-8,431.13-3,456.73

Finding the Fourth Proportional to 6,109.37, 8,431.13 and 3,456.73

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Solution

The fourth proportional to 6,109.37, 8,431.13 and 3,456.73 is: 4,770.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.37 : 8,431.13 = 3,456.73 : x
  2. Step 2: Convert to fraction form
    6,109.37/8,431.13 = 3,456.73/x
  3. Step 3: Cross multiply
    6,109.37x = 8,431.13 × 3,456.73
  4. Step 4: Simplify right side
    6,109.37x = 29,144,101.64
  5. Step 5: Solve for x
    x = 29,144,101.64/6,109.37
  6. Step 6: Final answer
    x = 4,770.39

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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.