Home / 8,282.23-12,420.70-2,734.54

Finding the Fourth Proportional to 8,282.23, 12,420.70 and 2,734.54

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Solution

The fourth proportional to 8,282.23, 12,420.70 and 2,734.54 is: 4,100.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,282.23 : 12,420.70 = 2,734.54 : x
  2. Step 2: Convert to fraction form
    8,282.23/12,420.70 = 2,734.54/x
  3. Step 3: Cross multiply
    8,282.23x = 12,420.70 × 2,734.54
  4. Step 4: Simplify right side
    8,282.23x = 33,964,900.98
  5. Step 5: Solve for x
    x = 33,964,900.98/8,282.23
  6. Step 6: Final answer
    x = 4,100.94

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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.