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Finding the Fourth Proportional to 8,910.77, 13,368.04 and 3,363.99

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Solution

The fourth proportional to 8,910.77, 13,368.04 and 3,363.99 is: 5,046.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.77 : 13,368.04 = 3,363.99 : x
  2. Step 2: Convert to fraction form
    8,910.77/13,368.04 = 3,363.99/x
  3. Step 3: Cross multiply
    8,910.77x = 13,368.04 × 3,363.99
  4. Step 4: Simplify right side
    8,910.77x = 44,969,988.33
  5. Step 5: Solve for x
    x = 44,969,988.33/8,910.77
  6. Step 6: Final answer
    x = 5,046.70

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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.