Home / 8,281.23-12,419.21-2,733.54

Finding the Fourth Proportional to 8,281.23, 12,419.21 and 2,733.54

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Solution

The fourth proportional to 8,281.23, 12,419.21 and 2,733.54 is: 4,099.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.23 : 12,419.21 = 2,733.54 : x
  2. Step 2: Convert to fraction form
    8,281.23/12,419.21 = 2,733.54/x
  3. Step 3: Cross multiply
    8,281.23x = 12,419.21 × 2,733.54
  4. Step 4: Simplify right side
    8,281.23x = 33,948,331.54
  5. Step 5: Solve for x
    x = 33,948,331.54/8,281.23
  6. Step 6: Final answer
    x = 4,099.43

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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.