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Finding the Fourth Proportional to 6,383.49, 8,809.11 and 3,550.83

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Solution

The fourth proportional to 6,383.49, 8,809.11 and 3,550.83 is: 4,900.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,383.49 : 8,809.11 = 3,550.83 : x
  2. Step 2: Convert to fraction form
    6,383.49/8,809.11 = 3,550.83/x
  3. Step 3: Cross multiply
    6,383.49x = 8,809.11 × 3,550.83
  4. Step 4: Simplify right side
    6,383.49x = 31,279,652.06
  5. Step 5: Solve for x
    x = 31,279,652.06/6,383.49
  6. Step 6: Final answer
    x = 4,900.09

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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.