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Finding the Fourth Proportional to 8,776.80, 13,168.80 and 3,232.80

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Solution

The fourth proportional to 8,776.80, 13,168.80 and 3,232.80 is: 4,850.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.80 : 13,168.80 = 3,232.80 : x
  2. Step 2: Convert to fraction form
    8,776.80/13,168.80 = 3,232.80/x
  3. Step 3: Cross multiply
    8,776.80x = 13,168.80 × 3,232.80
  4. Step 4: Simplify right side
    8,776.80x = 42,572,096.64
  5. Step 5: Solve for x
    x = 42,572,096.64/8,776.80
  6. Step 6: Final answer
    x = 4,850.53

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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.