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Finding the Fourth Proportional to 6,383.50, 8,809.53 and 3,550.89

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Solution

The fourth proportional to 6,383.50, 8,809.53 and 3,550.89 is: 4,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,383.50 : 8,809.53 = 3,550.89 : x
  2. Step 2: Convert to fraction form
    6,383.50/8,809.53 = 3,550.89/x
  3. Step 3: Cross multiply
    6,383.50x = 8,809.53 × 3,550.89
  4. Step 4: Simplify right side
    6,383.50x = 31,281,691.70
  5. Step 5: Solve for x
    x = 31,281,691.70/6,383.50
  6. Step 6: Final answer
    x = 4,900.40

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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.