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Finding the Fourth Proportional to 8,433.66, 12,651.11 and 3,239.54

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Solution

The fourth proportional to 8,433.66, 12,651.11 and 3,239.54 is: 4,859.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.66 : 12,651.11 = 3,239.54 : x
  2. Step 2: Convert to fraction form
    8,433.66/12,651.11 = 3,239.54/x
  3. Step 3: Cross multiply
    8,433.66x = 12,651.11 × 3,239.54
  4. Step 4: Simplify right side
    8,433.66x = 40,983,697.44
  5. Step 5: Solve for x
    x = 40,983,697.44/8,433.66
  6. Step 6: Final answer
    x = 4,859.54

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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.