Home / 7,996.50-11,032.74-6,318.18

Finding the Fourth Proportional to 7,996.50, 11,032.74 and 6,318.18

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Solution

The fourth proportional to 7,996.50, 11,032.74 and 6,318.18 is: 8,717.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,996.50 : 11,032.74 = 6,318.18 : x
  2. Step 2: Convert to fraction form
    7,996.50/11,032.74 = 6,318.18/x
  3. Step 3: Cross multiply
    7,996.50x = 11,032.74 × 6,318.18
  4. Step 4: Simplify right side
    7,996.50x = 69,706,837.21
  5. Step 5: Solve for x
    x = 69,706,837.21/7,996.50
  6. Step 6: Final answer
    x = 8,717.17

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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.