Home / 6,310.20-8,708.24-3,621.64

Finding the Fourth Proportional to 6,310.20, 8,708.24 and 3,621.64

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Solution

The fourth proportional to 6,310.20, 8,708.24 and 3,621.64 is: 4,997.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310.20 : 8,708.24 = 3,621.64 : x
  2. Step 2: Convert to fraction form
    6,310.20/8,708.24 = 3,621.64/x
  3. Step 3: Cross multiply
    6,310.20x = 8,708.24 × 3,621.64
  4. Step 4: Simplify right side
    6,310.20x = 31,538,097.60
  5. Step 5: Solve for x
    x = 31,538,097.60/6,310.20
  6. Step 6: Final answer
    x = 4,997.96

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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.