Home / 6,424.75-9,635.40-2,207.95

Finding the Fourth Proportional to 6,424.75, 9,635.40 and 2,207.95

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Solution

The fourth proportional to 6,424.75, 9,635.40 and 2,207.95 is: 3,311.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,424.75 : 9,635.40 = 2,207.95 : x
  2. Step 2: Convert to fraction form
    6,424.75/9,635.40 = 2,207.95/x
  3. Step 3: Cross multiply
    6,424.75x = 9,635.40 × 2,207.95
  4. Step 4: Simplify right side
    6,424.75x = 21,274,481.43
  5. Step 5: Solve for x
    x = 21,274,481.43/6,424.75
  6. Step 6: Final answer
    x = 3,311.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.