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Finding the Fourth Proportional to 7,995.87, 11,997.26 and 4,293.77

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Solution

The fourth proportional to 7,995.87, 11,997.26 and 4,293.77 is: 6,442.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.87 : 11,997.26 = 4,293.77 : x
  2. Step 2: Convert to fraction form
    7,995.87/11,997.26 = 4,293.77/x
  3. Step 3: Cross multiply
    7,995.87x = 11,997.26 × 4,293.77
  4. Step 4: Simplify right side
    7,995.87x = 51,513,393.62
  5. Step 5: Solve for x
    x = 51,513,393.62/7,995.87
  6. Step 6: Final answer
    x = 6,442.50

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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.