Home / 6,186.28-8,537.26-3,391.78

Finding the Fourth Proportional to 6,186.28, 8,537.26 and 3,391.78

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Solution

The fourth proportional to 6,186.28, 8,537.26 and 3,391.78 is: 4,680.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,186.28 : 8,537.26 = 3,391.78 : x
  2. Step 2: Convert to fraction form
    6,186.28/8,537.26 = 3,391.78/x
  3. Step 3: Cross multiply
    6,186.28x = 8,537.26 × 3,391.78
  4. Step 4: Simplify right side
    6,186.28x = 28,956,507.72
  5. Step 5: Solve for x
    x = 28,956,507.72/6,186.28
  6. Step 6: Final answer
    x = 4,680.76

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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.