Home / 5,306.88-7,960.31-2,998.56

Finding the Fourth Proportional to 5,306.88, 7,960.31 and 2,998.56

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Solution

The fourth proportional to 5,306.88, 7,960.31 and 2,998.56 is: 4,497.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.88 : 7,960.31 = 2,998.56 : x
  2. Step 2: Convert to fraction form
    5,306.88/7,960.31 = 2,998.56/x
  3. Step 3: Cross multiply
    5,306.88x = 7,960.31 × 2,998.56
  4. Step 4: Simplify right side
    5,306.88x = 23,869,467.15
  5. Step 5: Solve for x
    x = 23,869,467.15/5,306.88
  6. Step 6: Final answer
    x = 4,497.83

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1.5x scale

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.