Home / 9,306.42-13,958.37-2,731.38

Finding the Fourth Proportional to 9,306.42, 13,958.37 and 2,731.38

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Solution

The fourth proportional to 9,306.42, 13,958.37 and 2,731.38 is: 4,096.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,306.42 : 13,958.37 = 2,731.38 : x
  2. Step 2: Convert to fraction form
    9,306.42/13,958.37 = 2,731.38/x
  3. Step 3: Cross multiply
    9,306.42x = 13,958.37 × 2,731.38
  4. Step 4: Simplify right side
    9,306.42x = 38,125,612.65
  5. Step 5: Solve for x
    x = 38,125,612.65/9,306.42
  6. Step 6: Final answer
    x = 4,096.70

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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.