Home / 5,698.16-7,861.62-3,179.87

Finding the Fourth Proportional to 5,698.16, 7,861.62 and 3,179.87

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Solution

The fourth proportional to 5,698.16, 7,861.62 and 3,179.87 is: 4,387.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,698.16 : 7,861.62 = 3,179.87 : x
  2. Step 2: Convert to fraction form
    5,698.16/7,861.62 = 3,179.87/x
  3. Step 3: Cross multiply
    5,698.16x = 7,861.62 × 3,179.87
  4. Step 4: Simplify right side
    5,698.16x = 24,998,929.59
  5. Step 5: Solve for x
    x = 24,998,929.59/5,698.16
  6. Step 6: Final answer
    x = 4,387.19

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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.