Home / 8,694.60-13,043.45-3,155.69

Finding the Fourth Proportional to 8,694.60, 13,043.45 and 3,155.69

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Solution

The fourth proportional to 8,694.60, 13,043.45 and 3,155.69 is: 4,734.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.60 : 13,043.45 = 3,155.69 : x
  2. Step 2: Convert to fraction form
    8,694.60/13,043.45 = 3,155.69/x
  3. Step 3: Cross multiply
    8,694.60x = 13,043.45 × 3,155.69
  4. Step 4: Simplify right side
    8,694.60x = 41,161,003.73
  5. Step 5: Solve for x
    x = 41,161,003.73/8,694.60
  6. Step 6: Final answer
    x = 4,734.09

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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.