Home / 5,628.05-8,436.92-2,162.69

Finding the Fourth Proportional to 5,628.05, 8,436.92 and 2,162.69

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Solution

The fourth proportional to 5,628.05, 8,436.92 and 2,162.69 is: 3,242.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.05 : 8,436.92 = 2,162.69 : x
  2. Step 2: Convert to fraction form
    5,628.05/8,436.92 = 2,162.69/x
  3. Step 3: Cross multiply
    5,628.05x = 8,436.92 × 2,162.69
  4. Step 4: Simplify right side
    5,628.05x = 18,246,431.70
  5. Step 5: Solve for x
    x = 18,246,431.70/5,628.05
  6. Step 6: Final answer
    x = 3,242.05

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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.