Home / 7,989.12-10,998.36-5,996.34

Finding the Fourth Proportional to 7,989.12, 10,998.36 and 5,996.34

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Solution

The fourth proportional to 7,989.12, 10,998.36 and 5,996.34 is: 8,254.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989.12 : 10,998.36 = 5,996.34 : x
  2. Step 2: Convert to fraction form
    7,989.12/10,998.36 = 5,996.34/x
  3. Step 3: Cross multiply
    7,989.12x = 10,998.36 × 5,996.34
  4. Step 4: Simplify right side
    7,989.12x = 65,949,906.00
  5. Step 5: Solve for x
    x = 65,949,906.00/7,989.12
  6. Step 6: Final answer
    x = 8,254.97

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.