Home / 6,310.20-8,708.10-3,659.17

Finding the Fourth Proportional to 6,310.20, 8,708.10 and 3,659.17

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Solution

The fourth proportional to 6,310.20, 8,708.10 and 3,659.17 is: 5,049.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310.20 : 8,708.10 = 3,659.17 : x
  2. Step 2: Convert to fraction form
    6,310.20/8,708.10 = 3,659.17/x
  3. Step 3: Cross multiply
    6,310.20x = 8,708.10 × 3,659.17
  4. Step 4: Simplify right side
    6,310.20x = 31,864,418.28
  5. Step 5: Solve for x
    x = 31,864,418.28/6,310.20
  6. Step 6: Final answer
    x = 5,049.67

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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.