Home / 8,280.83-12,422.48-2,734.76

Finding the Fourth Proportional to 8,280.83, 12,422.48 and 2,734.76

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Solution

The fourth proportional to 8,280.83, 12,422.48 and 2,734.76 is: 4,102.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.83 : 12,422.48 = 2,734.76 : x
  2. Step 2: Convert to fraction form
    8,280.83/12,422.48 = 2,734.76/x
  3. Step 3: Cross multiply
    8,280.83x = 12,422.48 × 2,734.76
  4. Step 4: Simplify right side
    8,280.83x = 33,972,425.62
  5. Step 5: Solve for x
    x = 33,972,425.62/8,280.83
  6. Step 6: Final answer
    x = 4,102.54

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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.