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Finding the Fourth Proportional to 8,885, 13,328.76 and 3,261.95

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Solution

The fourth proportional to 8,885, 13,328.76 and 3,261.95 is: 4,893.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885 : 13,328.76 = 3,261.95 : x
  2. Step 2: Convert to fraction form
    8,885/13,328.76 = 3,261.95/x
  3. Step 3: Cross multiply
    8,885x = 13,328.76 × 3,261.95
  4. Step 4: Simplify right side
    8,885x = 43,477,748.68
  5. Step 5: Solve for x
    x = 43,477,748.68/8,885
  6. Step 6: Final answer
    x = 4,893.39

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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.