Home / 4,138.85-6,208.72-2,059.38

Finding the Fourth Proportional to 4,138.85, 6,208.72 and 2,059.38

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Solution

The fourth proportional to 4,138.85, 6,208.72 and 2,059.38 is: 3,089.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.85 : 6,208.72 = 2,059.38 : x
  2. Step 2: Convert to fraction form
    4,138.85/6,208.72 = 2,059.38/x
  3. Step 3: Cross multiply
    4,138.85x = 6,208.72 × 2,059.38
  4. Step 4: Simplify right side
    4,138.85x = 12,786,108.65
  5. Step 5: Solve for x
    x = 12,786,108.65/4,138.85
  6. Step 6: Final answer
    x = 3,089.29

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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.