Home / 4,125.53-5,703.82-3,129.23

Finding the Fourth Proportional to 4,125.53, 5,703.82 and 3,129.23

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Solution

The fourth proportional to 4,125.53, 5,703.82 and 3,129.23 is: 4,326.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.53 : 5,703.82 = 3,129.23 : x
  2. Step 2: Convert to fraction form
    4,125.53/5,703.82 = 3,129.23/x
  3. Step 3: Cross multiply
    4,125.53x = 5,703.82 × 3,129.23
  4. Step 4: Simplify right side
    4,125.53x = 17,848,571.10
  5. Step 5: Solve for x
    x = 17,848,571.10/4,125.53
  6. Step 6: Final answer
    x = 4,326.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.