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Finding the Fourth Proportional to 8,304.53, 12,455.57 and 2,757.75

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Solution

The fourth proportional to 8,304.53, 12,455.57 and 2,757.75 is: 4,136.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304.53 : 12,455.57 = 2,757.75 : x
  2. Step 2: Convert to fraction form
    8,304.53/12,455.57 = 2,757.75/x
  3. Step 3: Cross multiply
    8,304.53x = 12,455.57 × 2,757.75
  4. Step 4: Simplify right side
    8,304.53x = 34,349,308.35
  5. Step 5: Solve for x
    x = 34,349,308.35/8,304.53
  6. Step 6: Final answer
    x = 4,136.22

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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.