Home / 4,188.87-6,279.53-1,589.94

Finding the Fourth Proportional to 4,188.87, 6,279.53 and 1,589.94

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Solution

The fourth proportional to 4,188.87, 6,279.53 and 1,589.94 is: 2,383.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.87 : 6,279.53 = 1,589.94 : x
  2. Step 2: Convert to fraction form
    4,188.87/6,279.53 = 1,589.94/x
  3. Step 3: Cross multiply
    4,188.87x = 6,279.53 × 1,589.94
  4. Step 4: Simplify right side
    4,188.87x = 9,984,067.98
  5. Step 5: Solve for x
    x = 9,984,067.98/4,188.87
  6. Step 6: Final answer
    x = 2,383.48

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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.