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Finding the Fourth Proportional to 8,656.82, 12,958.03 and 5,972.70

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Solution

The fourth proportional to 8,656.82, 12,958.03 and 5,972.70 is: 8,940.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656.82 : 12,958.03 = 5,972.70 : x
  2. Step 2: Convert to fraction form
    8,656.82/12,958.03 = 5,972.70/x
  3. Step 3: Cross multiply
    8,656.82x = 12,958.03 × 5,972.70
  4. Step 4: Simplify right side
    8,656.82x = 77,394,448.24
  5. Step 5: Solve for x
    x = 77,394,448.24/8,656.82
  6. Step 6: Final answer
    x = 8,940.28

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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.