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Finding the Fourth Proportional to 6,662.92, 9,196.98 and 4,303.24

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Solution

The fourth proportional to 6,662.92, 9,196.98 and 4,303.24 is: 5,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662.92 : 9,196.98 = 4,303.24 : x
  2. Step 2: Convert to fraction form
    6,662.92/9,196.98 = 4,303.24/x
  3. Step 3: Cross multiply
    6,662.92x = 9,196.98 × 4,303.24
  4. Step 4: Simplify right side
    6,662.92x = 39,576,812.22
  5. Step 5: Solve for x
    x = 39,576,812.22/6,662.92
  6. Step 6: Final answer
    x = 5,939.86

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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.