Home / 5,859.39-8,789.19-2,159.72

Finding the Fourth Proportional to 5,859.39, 8,789.19 and 2,159.72

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Solution

The fourth proportional to 5,859.39, 8,789.19 and 2,159.72 is: 3,239.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,859.39 : 8,789.19 = 2,159.72 : x
  2. Step 2: Convert to fraction form
    5,859.39/8,789.19 = 2,159.72/x
  3. Step 3: Cross multiply
    5,859.39x = 8,789.19 × 2,159.72
  4. Step 4: Simplify right side
    5,859.39x = 18,982,189.43
  5. Step 5: Solve for x
    x = 18,982,189.43/5,859.39
  6. Step 6: Final answer
    x = 3,239.62

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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.