Home / 6,310.37-8,708.49-3,658.70

Finding the Fourth Proportional to 6,310.37, 8,708.49 and 3,658.70

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Solution

The fourth proportional to 6,310.37, 8,708.49 and 3,658.70 is: 5,049.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310.37 : 8,708.49 = 3,658.70 : x
  2. Step 2: Convert to fraction form
    6,310.37/8,708.49 = 3,658.70/x
  3. Step 3: Cross multiply
    6,310.37x = 8,708.49 × 3,658.70
  4. Step 4: Simplify right side
    6,310.37x = 31,861,752.36
  5. Step 5: Solve for x
    x = 31,861,752.36/6,310.37
  6. Step 6: Final answer
    x = 5,049.11

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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.