Home / 8,211.01-12,318.32-2,664.92

Finding the Fourth Proportional to 8,211.01, 12,318.32 and 2,664.92

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Solution

The fourth proportional to 8,211.01, 12,318.32 and 2,664.92 is: 3,997.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211.01 : 12,318.32 = 2,664.92 : x
  2. Step 2: Convert to fraction form
    8,211.01/12,318.32 = 2,664.92/x
  3. Step 3: Cross multiply
    8,211.01x = 12,318.32 × 2,664.92
  4. Step 4: Simplify right side
    8,211.01x = 32,827,262.42
  5. Step 5: Solve for x
    x = 32,827,262.42/8,211.01
  6. Step 6: Final answer
    x = 3,997.96

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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.