Home / 5,976.42-8,961.39-1,815.18

Finding the Fourth Proportional to 5,976.42, 8,961.39 and 1,815.18

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Solution

The fourth proportional to 5,976.42, 8,961.39 and 1,815.18 is: 2,721.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,976.42 : 8,961.39 = 1,815.18 : x
  2. Step 2: Convert to fraction form
    5,976.42/8,961.39 = 1,815.18/x
  3. Step 3: Cross multiply
    5,976.42x = 8,961.39 × 1,815.18
  4. Step 4: Simplify right side
    5,976.42x = 16,266,535.90
  5. Step 5: Solve for x
    x = 16,266,535.90/5,976.42
  6. Step 6: Final answer
    x = 2,721.79

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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.