Home / 8,342.82-12,512.40-2,796.96

Finding the Fourth Proportional to 8,342.82, 12,512.40 and 2,796.96

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Solution

The fourth proportional to 8,342.82, 12,512.40 and 2,796.96 is: 4,194.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.82 : 12,512.40 = 2,796.96 : x
  2. Step 2: Convert to fraction form
    8,342.82/12,512.40 = 2,796.96/x
  3. Step 3: Cross multiply
    8,342.82x = 12,512.40 × 2,796.96
  4. Step 4: Simplify right side
    8,342.82x = 34,996,682.30
  5. Step 5: Solve for x
    x = 34,996,682.30/8,342.82
  6. Step 6: Final answer
    x = 4,194.83

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1.5x scale

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.