Home / 4,489.11-6,732.18-2,147.81

Finding the Fourth Proportional to 4,489.11, 6,732.18 and 2,147.81

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Solution

The fourth proportional to 4,489.11, 6,732.18 and 2,147.81 is: 3,221.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489.11 : 6,732.18 = 2,147.81 : x
  2. Step 2: Convert to fraction form
    4,489.11/6,732.18 = 2,147.81/x
  3. Step 3: Cross multiply
    4,489.11x = 6,732.18 × 2,147.81
  4. Step 4: Simplify right side
    4,489.11x = 14,459,409.86
  5. Step 5: Solve for x
    x = 14,459,409.86/4,489.11
  6. Step 6: Final answer
    x = 3,221.00

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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.