Home / 5,785.08-7,979.58-3,691.80

Finding the Fourth Proportional to 5,785.08, 7,979.58 and 3,691.80

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Solution

The fourth proportional to 5,785.08, 7,979.58 and 3,691.80 is: 5,092.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.08 : 7,979.58 = 3,691.80 : x
  2. Step 2: Convert to fraction form
    5,785.08/7,979.58 = 3,691.80/x
  3. Step 3: Cross multiply
    5,785.08x = 7,979.58 × 3,691.80
  4. Step 4: Simplify right side
    5,785.08x = 29,459,013.44
  5. Step 5: Solve for x
    x = 29,459,013.44/5,785.08
  6. Step 6: Final answer
    x = 5,092.24

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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.