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Finding the Fourth Proportional to 8,933, 12,327.54 and 5,207.72

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Solution

The fourth proportional to 8,933, 12,327.54 and 5,207.72 is: 7,186.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933 : 12,327.54 = 5,207.72 : x
  2. Step 2: Convert to fraction form
    8,933/12,327.54 = 5,207.72/x
  3. Step 3: Cross multiply
    8,933x = 12,327.54 × 5,207.72
  4. Step 4: Simplify right side
    8,933x = 64,198,376.61
  5. Step 5: Solve for x
    x = 64,198,376.61/8,933
  6. Step 6: Final answer
    x = 7,186.65

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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.