Home / 5,729.52-8,579.40-3,979.92

Finding the Fourth Proportional to 5,729.52, 8,579.40 and 3,979.92

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Solution

The fourth proportional to 5,729.52, 8,579.40 and 3,979.92 is: 5,959.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.52 : 8,579.40 = 3,979.92 : x
  2. Step 2: Convert to fraction form
    5,729.52/8,579.40 = 3,979.92/x
  3. Step 3: Cross multiply
    5,729.52x = 8,579.40 × 3,979.92
  4. Step 4: Simplify right side
    5,729.52x = 34,145,325.65
  5. Step 5: Solve for x
    x = 34,145,325.65/5,729.52
  6. Step 6: Final answer
    x = 5,959.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.