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Finding the Fourth Proportional to 8,343.73, 12,517.47 and 2,796.93

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Solution

The fourth proportional to 8,343.73, 12,517.47 and 2,796.93 is: 4,196.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343.73 : 12,517.47 = 2,796.93 : x
  2. Step 2: Convert to fraction form
    8,343.73/12,517.47 = 2,796.93/x
  3. Step 3: Cross multiply
    8,343.73x = 12,517.47 × 2,796.93
  4. Step 4: Simplify right side
    8,343.73x = 35,010,539.55
  5. Step 5: Solve for x
    x = 35,010,539.55/8,343.73
  6. Step 6: Final answer
    x = 4,196.03

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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.