Home / 8,185.22-11,286.65-5,528.01

Finding the Fourth Proportional to 8,185.22, 11,286.65 and 5,528.01

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Solution

The fourth proportional to 8,185.22, 11,286.65 and 5,528.01 is: 7,622.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.22 : 11,286.65 = 5,528.01 : x
  2. Step 2: Convert to fraction form
    8,185.22/11,286.65 = 5,528.01/x
  3. Step 3: Cross multiply
    8,185.22x = 11,286.65 × 5,528.01
  4. Step 4: Simplify right side
    8,185.22x = 62,392,686.43
  5. Step 5: Solve for x
    x = 62,392,686.43/8,185.22
  6. Step 6: Final answer
    x = 7,622.61

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Half scale
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Double scale
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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.