Home / 4,129.62-6,189.03-3,579.54

Finding the Fourth Proportional to 4,129.62, 6,189.03 and 3,579.54

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Solution

The fourth proportional to 4,129.62, 6,189.03 and 3,579.54 is: 5,364.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.62 : 6,189.03 = 3,579.54 : x
  2. Step 2: Convert to fraction form
    4,129.62/6,189.03 = 3,579.54/x
  3. Step 3: Cross multiply
    4,129.62x = 6,189.03 × 3,579.54
  4. Step 4: Simplify right side
    4,129.62x = 22,153,880.45
  5. Step 5: Solve for x
    x = 22,153,880.45/4,129.62
  6. Step 6: Final answer
    x = 5,364.63

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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.