Home / 4,138.09-6,203.48-1,672.45

Finding the Fourth Proportional to 4,138.09, 6,203.48 and 1,672.45

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Solution

The fourth proportional to 4,138.09, 6,203.48 and 1,672.45 is: 2,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.09 : 6,203.48 = 1,672.45 : x
  2. Step 2: Convert to fraction form
    4,138.09/6,203.48 = 1,672.45/x
  3. Step 3: Cross multiply
    4,138.09x = 6,203.48 × 1,672.45
  4. Step 4: Simplify right side
    4,138.09x = 10,375,010.13
  5. Step 5: Solve for x
    x = 10,375,010.13/4,138.09
  6. Step 6: Final answer
    x = 2,507.20

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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.