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Finding the Fourth Proportional to 8,910, 13,363.96 and 2,336.70

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Solution

The fourth proportional to 8,910, 13,363.96 and 2,336.70 is: 3,504.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910 : 13,363.96 = 2,336.70 : x
  2. Step 2: Convert to fraction form
    8,910/13,363.96 = 2,336.70/x
  3. Step 3: Cross multiply
    8,910x = 13,363.96 × 2,336.70
  4. Step 4: Simplify right side
    8,910x = 31,227,565.33
  5. Step 5: Solve for x
    x = 31,227,565.33/8,910
  6. Step 6: Final answer
    x = 3,504.78

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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.