Home / 4,256.62-6,379.38-2,174.87

Finding the Fourth Proportional to 4,256.62, 6,379.38 and 2,174.87

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Solution

The fourth proportional to 4,256.62, 6,379.38 and 2,174.87 is: 3,259.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,256.62 : 6,379.38 = 2,174.87 : x
  2. Step 2: Convert to fraction form
    4,256.62/6,379.38 = 2,174.87/x
  3. Step 3: Cross multiply
    4,256.62x = 6,379.38 × 2,174.87
  4. Step 4: Simplify right side
    4,256.62x = 13,874,338.13
  5. Step 5: Solve for x
    x = 13,874,338.13/4,256.62
  6. Step 6: Final answer
    x = 3,259.47

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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.