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Finding the Fourth Proportional to 8,344.54, 12,516.81 and 2,796.31

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Solution

The fourth proportional to 8,344.54, 12,516.81 and 2,796.31 is: 4,194.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,344.54 : 12,516.81 = 2,796.31 : x
  2. Step 2: Convert to fraction form
    8,344.54/12,516.81 = 2,796.31/x
  3. Step 3: Cross multiply
    8,344.54x = 12,516.81 × 2,796.31
  4. Step 4: Simplify right side
    8,344.54x = 35,000,880.97
  5. Step 5: Solve for x
    x = 35,000,880.97/8,344.54
  6. Step 6: Final answer
    x = 4,194.47

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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.