Home / 5,782.37-7,979.67-3,391.85

Finding the Fourth Proportional to 5,782.37, 7,979.67 and 3,391.85

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Solution

The fourth proportional to 5,782.37, 7,979.67 and 3,391.85 is: 4,680.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,782.37 : 7,979.67 = 3,391.85 : x
  2. Step 2: Convert to fraction form
    5,782.37/7,979.67 = 3,391.85/x
  3. Step 3: Cross multiply
    5,782.37x = 7,979.67 × 3,391.85
  4. Step 4: Simplify right side
    5,782.37x = 27,065,843.69
  5. Step 5: Solve for x
    x = 27,065,843.69/5,782.37
  6. Step 6: Final answer
    x = 4,680.75

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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.