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Finding the Fourth Proportional to 8,808.66, 13,213.32 and 3,263.40

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Solution

The fourth proportional to 8,808.66, 13,213.32 and 3,263.40 is: 4,895.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.66 : 13,213.32 = 3,263.40 : x
  2. Step 2: Convert to fraction form
    8,808.66/13,213.32 = 3,263.40/x
  3. Step 3: Cross multiply
    8,808.66x = 13,213.32 × 3,263.40
  4. Step 4: Simplify right side
    8,808.66x = 43,120,348.49
  5. Step 5: Solve for x
    x = 43,120,348.49/8,808.66
  6. Step 6: Final answer
    x = 4,895.22

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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.