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Finding the Fourth Proportional to 8,891, 13,333.98 and 3,690.44

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Solution

The fourth proportional to 8,891, 13,333.98 and 3,690.44 is: 5,534.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891 : 13,333.98 = 3,690.44 : x
  2. Step 2: Convert to fraction form
    8,891/13,333.98 = 3,690.44/x
  3. Step 3: Cross multiply
    8,891x = 13,333.98 × 3,690.44
  4. Step 4: Simplify right side
    8,891x = 49,208,253.15
  5. Step 5: Solve for x
    x = 49,208,253.15/8,891
  6. Step 6: Final answer
    x = 5,534.61

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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.