Home / 6,286.20-9,429.30-5,659.80

Finding the Fourth Proportional to 6,286.20, 9,429.30 and 5,659.80

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Solution

The fourth proportional to 6,286.20, 9,429.30 and 5,659.80 is: 8,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.20 : 9,429.30 = 5,659.80 : x
  2. Step 2: Convert to fraction form
    6,286.20/9,429.30 = 5,659.80/x
  3. Step 3: Cross multiply
    6,286.20x = 9,429.30 × 5,659.80
  4. Step 4: Simplify right side
    6,286.20x = 53,367,952.14
  5. Step 5: Solve for x
    x = 53,367,952.14/6,286.20
  6. Step 6: Final answer
    x = 8,489.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.