Home / 6,186.38-8,537.20-3,391.88

Finding the Fourth Proportional to 6,186.38, 8,537.20 and 3,391.88

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Solution

The fourth proportional to 6,186.38, 8,537.20 and 3,391.88 is: 4,680.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,186.38 : 8,537.20 = 3,391.88 : x
  2. Step 2: Convert to fraction form
    6,186.38/8,537.20 = 3,391.88/x
  3. Step 3: Cross multiply
    6,186.38x = 8,537.20 × 3,391.88
  4. Step 4: Simplify right side
    6,186.38x = 28,957,106.77
  5. Step 5: Solve for x
    x = 28,957,106.77/6,186.38
  6. Step 6: Final answer
    x = 4,680.79

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1.5x scale

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.