Home / 8,815.92-13,236.84-3,631.92

Finding the Fourth Proportional to 8,815.92, 13,236.84 and 3,631.92

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Solution

The fourth proportional to 8,815.92, 13,236.84 and 3,631.92 is: 5,453.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.92 : 13,236.84 = 3,631.92 : x
  2. Step 2: Convert to fraction form
    8,815.92/13,236.84 = 3,631.92/x
  3. Step 3: Cross multiply
    8,815.92x = 13,236.84 × 3,631.92
  4. Step 4: Simplify right side
    8,815.92x = 48,075,143.93
  5. Step 5: Solve for x
    x = 48,075,143.93/8,815.92
  6. Step 6: Final answer
    x = 5,453.22

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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.