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Finding the Fourth Proportional to 8,535.99, 12,795.18 and 3,269.56

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Solution

The fourth proportional to 8,535.99, 12,795.18 and 3,269.56 is: 4,900.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,535.99 : 12,795.18 = 3,269.56 : x
  2. Step 2: Convert to fraction form
    8,535.99/12,795.18 = 3,269.56/x
  3. Step 3: Cross multiply
    8,535.99x = 12,795.18 × 3,269.56
  4. Step 4: Simplify right side
    8,535.99x = 41,834,608.72
  5. Step 5: Solve for x
    x = 41,834,608.72/8,535.99
  6. Step 6: Final answer
    x = 4,900.97

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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.