Home / 5,698.92-7,862.66-3,180.62

Finding the Fourth Proportional to 5,698.92, 7,862.66 and 3,180.62

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Solution

The fourth proportional to 5,698.92, 7,862.66 and 3,180.62 is: 4,388.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,698.92 : 7,862.66 = 3,180.62 : x
  2. Step 2: Convert to fraction form
    5,698.92/7,862.66 = 3,180.62/x
  3. Step 3: Cross multiply
    5,698.92x = 7,862.66 × 3,180.62
  4. Step 4: Simplify right side
    5,698.92x = 25,008,133.65
  5. Step 5: Solve for x
    x = 25,008,133.65/5,698.92
  6. Step 6: Final answer
    x = 4,388.22

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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.