Home / 9,176.34-13,756.40-3,979.38

Finding the Fourth Proportional to 9,176.34, 13,756.40 and 3,979.38

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Solution

The fourth proportional to 9,176.34, 13,756.40 and 3,979.38 is: 5,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176.34 : 13,756.40 = 3,979.38 : x
  2. Step 2: Convert to fraction form
    9,176.34/13,756.40 = 3,979.38/x
  3. Step 3: Cross multiply
    9,176.34x = 13,756.40 × 3,979.38
  4. Step 4: Simplify right side
    9,176.34x = 54,741,923.14
  5. Step 5: Solve for x
    x = 54,741,923.14/9,176.34
  6. Step 6: Final answer
    x = 5,965.55

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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.