Home / 8,433.42-12,651.72-3,238.86

Finding the Fourth Proportional to 8,433.42, 12,651.72 and 3,238.86

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Solution

The fourth proportional to 8,433.42, 12,651.72 and 3,238.86 is: 4,858.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.42 : 12,651.72 = 3,238.86 : x
  2. Step 2: Convert to fraction form
    8,433.42/12,651.72 = 3,238.86/x
  3. Step 3: Cross multiply
    8,433.42x = 12,651.72 × 3,238.86
  4. Step 4: Simplify right side
    8,433.42x = 40,977,149.84
  5. Step 5: Solve for x
    x = 40,977,149.84/8,433.42
  6. Step 6: Final answer
    x = 4,858.90

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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.