Home / 6,269.73-8,645.13-3,998.03

Finding the Fourth Proportional to 6,269.73, 8,645.13 and 3,998.03

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Solution

The fourth proportional to 6,269.73, 8,645.13 and 3,998.03 is: 5,512.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,269.73 : 8,645.13 = 3,998.03 : x
  2. Step 2: Convert to fraction form
    6,269.73/8,645.13 = 3,998.03/x
  3. Step 3: Cross multiply
    6,269.73x = 8,645.13 × 3,998.03
  4. Step 4: Simplify right side
    6,269.73x = 34,563,489.09
  5. Step 5: Solve for x
    x = 34,563,489.09/6,269.73
  6. Step 6: Final answer
    x = 5,512.76

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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.