Home / 6,683.28-9,220.44-5,150.66

Finding the Fourth Proportional to 6,683.28, 9,220.44 and 5,150.66

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Solution

The fourth proportional to 6,683.28, 9,220.44 and 5,150.66 is: 7,105.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,683.28 : 9,220.44 = 5,150.66 : x
  2. Step 2: Convert to fraction form
    6,683.28/9,220.44 = 5,150.66/x
  3. Step 3: Cross multiply
    6,683.28x = 9,220.44 × 5,150.66
  4. Step 4: Simplify right side
    6,683.28x = 47,491,351.49
  5. Step 5: Solve for x
    x = 47,491,351.49/6,683.28
  6. Step 6: Final answer
    x = 7,105.99

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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.