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Finding the Fourth Proportional to 9,324.27, 12,867.73 and 5,346.68

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Solution

The fourth proportional to 9,324.27, 12,867.73 and 5,346.68 is: 7,378.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.27 : 12,867.73 = 5,346.68 : x
  2. Step 2: Convert to fraction form
    9,324.27/12,867.73 = 5,346.68/x
  3. Step 3: Cross multiply
    9,324.27x = 12,867.73 × 5,346.68
  4. Step 4: Simplify right side
    9,324.27x = 68,799,556.93
  5. Step 5: Solve for x
    x = 68,799,556.93/9,324.27
  6. Step 6: Final answer
    x = 7,378.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.