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Finding the Fourth Proportional to 6,057.70, 9,086.55 and 5,107.30

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Solution

The fourth proportional to 6,057.70, 9,086.55 and 5,107.30 is: 7,660.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,057.70 : 9,086.55 = 5,107.30 : x
  2. Step 2: Convert to fraction form
    6,057.70/9,086.55 = 5,107.30/x
  3. Step 3: Cross multiply
    6,057.70x = 9,086.55 × 5,107.30
  4. Step 4: Simplify right side
    6,057.70x = 46,407,736.82
  5. Step 5: Solve for x
    x = 46,407,736.82/6,057.70
  6. Step 6: Final answer
    x = 7,660.95

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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.