Home / 5,057.13-6,979.72-3,170.34

Finding the Fourth Proportional to 5,057.13, 6,979.72 and 3,170.34

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Solution

The fourth proportional to 5,057.13, 6,979.72 and 3,170.34 is: 4,375.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.13 : 6,979.72 = 3,170.34 : x
  2. Step 2: Convert to fraction form
    5,057.13/6,979.72 = 3,170.34/x
  3. Step 3: Cross multiply
    5,057.13x = 6,979.72 × 3,170.34
  4. Step 4: Simplify right side
    5,057.13x = 22,128,083.52
  5. Step 5: Solve for x
    x = 22,128,083.52/5,057.13
  6. Step 6: Final answer
    x = 4,375.62

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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.