Home / 4,609.20-6,912.56-1,687.52

Finding the Fourth Proportional to 4,609.20, 6,912.56 and 1,687.52

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Solution

The fourth proportional to 4,609.20, 6,912.56 and 1,687.52 is: 2,530.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,609.20 : 6,912.56 = 1,687.52 : x
  2. Step 2: Convert to fraction form
    4,609.20/6,912.56 = 1,687.52/x
  3. Step 3: Cross multiply
    4,609.20x = 6,912.56 × 1,687.52
  4. Step 4: Simplify right side
    4,609.20x = 11,665,083.25
  5. Step 5: Solve for x
    x = 11,665,083.25/4,609.20
  6. Step 6: Final answer
    x = 2,530.83

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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.