Home / 8,241.91-12,364.41-3,311.93

Finding the Fourth Proportional to 8,241.91, 12,364.41 and 3,311.93

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Solution

The fourth proportional to 8,241.91, 12,364.41 and 3,311.93 is: 4,968.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.91 : 12,364.41 = 3,311.93 : x
  2. Step 2: Convert to fraction form
    8,241.91/12,364.41 = 3,311.93/x
  3. Step 3: Cross multiply
    8,241.91x = 12,364.41 × 3,311.93
  4. Step 4: Simplify right side
    8,241.91x = 40,950,060.41
  5. Step 5: Solve for x
    x = 40,950,060.41/8,241.91
  6. Step 6: Final answer
    x = 4,968.52

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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.