Home / 8,189.62-12,284.44-2,643.36

Finding the Fourth Proportional to 8,189.62, 12,284.44 and 2,643.36

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Solution

The fourth proportional to 8,189.62, 12,284.44 and 2,643.36 is: 3,965.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189.62 : 12,284.44 = 2,643.36 : x
  2. Step 2: Convert to fraction form
    8,189.62/12,284.44 = 2,643.36/x
  3. Step 3: Cross multiply
    8,189.62x = 12,284.44 × 2,643.36
  4. Step 4: Simplify right side
    8,189.62x = 32,472,197.32
  5. Step 5: Solve for x
    x = 32,472,197.32/8,189.62
  6. Step 6: Final answer
    x = 3,965.04

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Double scale
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Similar ratio
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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.