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Finding the Fourth Proportional to 8,268, 12,402.06 and 2,424.70

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Solution

The fourth proportional to 8,268, 12,402.06 and 2,424.70 is: 3,637.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268 : 12,402.06 = 2,424.70 : x
  2. Step 2: Convert to fraction form
    8,268/12,402.06 = 2,424.70/x
  3. Step 3: Cross multiply
    8,268x = 12,402.06 × 2,424.70
  4. Step 4: Simplify right side
    8,268x = 30,071,274.88
  5. Step 5: Solve for x
    x = 30,071,274.88/8,268
  6. Step 6: Final answer
    x = 3,637.07

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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.