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Finding the Fourth Proportional to 8,241.01, 11,370.99 and 6,666.37

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Solution

The fourth proportional to 8,241.01, 11,370.99 and 6,666.37 is: 9,198.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.01 : 11,370.99 = 6,666.37 : x
  2. Step 2: Convert to fraction form
    8,241.01/11,370.99 = 6,666.37/x
  3. Step 3: Cross multiply
    8,241.01x = 11,370.99 × 6,666.37
  4. Step 4: Simplify right side
    8,241.01x = 75,803,226.61
  5. Step 5: Solve for x
    x = 75,803,226.61/8,241.01
  6. Step 6: Final answer
    x = 9,198.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.