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Finding the Fourth Proportional to 6,450.39, 8,902.03 and 3,618.39

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Solution

The fourth proportional to 6,450.39, 8,902.03 and 3,618.39 is: 4,993.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.39 : 8,902.03 = 3,618.39 : x
  2. Step 2: Convert to fraction form
    6,450.39/8,902.03 = 3,618.39/x
  3. Step 3: Cross multiply
    6,450.39x = 8,902.03 × 3,618.39
  4. Step 4: Simplify right side
    6,450.39x = 32,211,016.33
  5. Step 5: Solve for x
    x = 32,211,016.33/6,450.39
  6. Step 6: Final answer
    x = 4,993.65

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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.