Home / 5,176.05-7,141.85-3,386.15

Finding the Fourth Proportional to 5,176.05, 7,141.85 and 3,386.15

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Solution

The fourth proportional to 5,176.05, 7,141.85 and 3,386.15 is: 4,672.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.05 : 7,141.85 = 3,386.15 : x
  2. Step 2: Convert to fraction form
    5,176.05/7,141.85 = 3,386.15/x
  3. Step 3: Cross multiply
    5,176.05x = 7,141.85 × 3,386.15
  4. Step 4: Simplify right side
    5,176.05x = 24,183,375.38
  5. Step 5: Solve for x
    x = 24,183,375.38/5,176.05
  6. Step 6: Final answer
    x = 4,672.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.