Home / 8,826.96-13,235.76-3,890.88

Finding the Fourth Proportional to 8,826.96, 13,235.76 and 3,890.88

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Solution

The fourth proportional to 8,826.96, 13,235.76 and 3,890.88 is: 5,834.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,826.96 : 13,235.76 = 3,890.88 : x
  2. Step 2: Convert to fraction form
    8,826.96/13,235.76 = 3,890.88/x
  3. Step 3: Cross multiply
    8,826.96x = 13,235.76 × 3,890.88
  4. Step 4: Simplify right side
    8,826.96x = 51,498,753.87
  5. Step 5: Solve for x
    x = 51,498,753.87/8,826.96
  6. Step 6: Final answer
    x = 5,834.26

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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.