Home / 8,826.20-13,238.90-2,982.86

Finding the Fourth Proportional to 8,826.20, 13,238.90 and 2,982.86

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Solution

The fourth proportional to 8,826.20, 13,238.90 and 2,982.86 is: 4,474.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,826.20 : 13,238.90 = 2,982.86 : x
  2. Step 2: Convert to fraction form
    8,826.20/13,238.90 = 2,982.86/x
  3. Step 3: Cross multiply
    8,826.20x = 13,238.90 × 2,982.86
  4. Step 4: Simplify right side
    8,826.20x = 39,489,814.62
  5. Step 5: Solve for x
    x = 39,489,814.62/8,826.20
  6. Step 6: Final answer
    x = 4,474.16

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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.