Home / 4,129.21-6,185.15-3,247.57

Finding the Fourth Proportional to 4,129.21, 6,185.15 and 3,247.57

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Solution

The fourth proportional to 4,129.21, 6,185.15 and 3,247.57 is: 4,864.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.21 : 6,185.15 = 3,247.57 : x
  2. Step 2: Convert to fraction form
    4,129.21/6,185.15 = 3,247.57/x
  3. Step 3: Cross multiply
    4,129.21x = 6,185.15 × 3,247.57
  4. Step 4: Simplify right side
    4,129.21x = 20,086,660.42
  5. Step 5: Solve for x
    x = 20,086,660.42/4,129.21
  6. Step 6: Final answer
    x = 4,864.53

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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.