Home / 8,697.35-13,046.76-2,775.09

Finding the Fourth Proportional to 8,697.35, 13,046.76 and 2,775.09

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Solution

The fourth proportional to 8,697.35, 13,046.76 and 2,775.09 is: 4,162.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697.35 : 13,046.76 = 2,775.09 : x
  2. Step 2: Convert to fraction form
    8,697.35/13,046.76 = 2,775.09/x
  3. Step 3: Cross multiply
    8,697.35x = 13,046.76 × 2,775.09
  4. Step 4: Simplify right side
    8,697.35x = 36,205,919.33
  5. Step 5: Solve for x
    x = 36,205,919.33/8,697.35
  6. Step 6: Final answer
    x = 4,162.87

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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.