Home / 6,113.60-9,170.39-2,167.75

Finding the Fourth Proportional to 6,113.60, 9,170.39 and 2,167.75

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Solution

The fourth proportional to 6,113.60, 9,170.39 and 2,167.75 is: 3,251.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,113.60 : 9,170.39 = 2,167.75 : x
  2. Step 2: Convert to fraction form
    6,113.60/9,170.39 = 2,167.75/x
  3. Step 3: Cross multiply
    6,113.60x = 9,170.39 × 2,167.75
  4. Step 4: Simplify right side
    6,113.60x = 19,879,095.42
  5. Step 5: Solve for x
    x = 19,879,095.42/6,113.60
  6. Step 6: Final answer
    x = 3,251.62

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Half scale
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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.