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Finding the Fourth Proportional to 8,268, 12,397.43 and 4,309.37

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Solution

The fourth proportional to 8,268, 12,397.43 and 4,309.37 is: 6,461.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268 : 12,397.43 = 4,309.37 : x
  2. Step 2: Convert to fraction form
    8,268/12,397.43 = 4,309.37/x
  3. Step 3: Cross multiply
    8,268x = 12,397.43 × 4,309.37
  4. Step 4: Simplify right side
    8,268x = 53,425,029.39
  5. Step 5: Solve for x
    x = 53,425,029.39/8,268
  6. Step 6: Final answer
    x = 6,461.66

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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.