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Finding the Fourth Proportional to 8,682.72, 13,009.24 and 6,204.88

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Solution

The fourth proportional to 8,682.72, 13,009.24 and 6,204.88 is: 9,296.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.72 : 13,009.24 = 6,204.88 : x
  2. Step 2: Convert to fraction form
    8,682.72/13,009.24 = 6,204.88/x
  3. Step 3: Cross multiply
    8,682.72x = 13,009.24 × 6,204.88
  4. Step 4: Simplify right side
    8,682.72x = 80,720,773.09
  5. Step 5: Solve for x
    x = 80,720,773.09/8,682.72
  6. Step 6: Final answer
    x = 9,296.71

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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.