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Finding the Fourth Proportional to 8,777.70, 13,165.25 and 3,229.75

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Solution

The fourth proportional to 8,777.70, 13,165.25 and 3,229.75 is: 4,844.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777.70 : 13,165.25 = 3,229.75 : x
  2. Step 2: Convert to fraction form
    8,777.70/13,165.25 = 3,229.75/x
  3. Step 3: Cross multiply
    8,777.70x = 13,165.25 × 3,229.75
  4. Step 4: Simplify right side
    8,777.70x = 42,520,392.29
  5. Step 5: Solve for x
    x = 42,520,392.29/8,777.70
  6. Step 6: Final answer
    x = 4,844.14

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1.5x scale

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.