Home / 5,859.57-8,789.38-2,159.90

Finding the Fourth Proportional to 5,859.57, 8,789.38 and 2,159.90

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Solution

The fourth proportional to 5,859.57, 8,789.38 and 2,159.90 is: 3,239.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,859.57 : 8,789.38 = 2,159.90 : x
  2. Step 2: Convert to fraction form
    5,859.57/8,789.38 = 2,159.90/x
  3. Step 3: Cross multiply
    5,859.57x = 8,789.38 × 2,159.90
  4. Step 4: Simplify right side
    5,859.57x = 18,984,165.48
  5. Step 5: Solve for x
    x = 18,984,165.48/5,859.57
  6. Step 6: Final answer
    x = 3,239.85

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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.