Home / 6,641.83-9,165.72-3,657.66

Finding the Fourth Proportional to 6,641.83, 9,165.72 and 3,657.66

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Solution

The fourth proportional to 6,641.83, 9,165.72 and 3,657.66 is: 5,047.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,641.83 : 9,165.72 = 3,657.66 : x
  2. Step 2: Convert to fraction form
    6,641.83/9,165.72 = 3,657.66/x
  3. Step 3: Cross multiply
    6,641.83x = 9,165.72 × 3,657.66
  4. Step 4: Simplify right side
    6,641.83x = 33,525,087.42
  5. Step 5: Solve for x
    x = 33,525,087.42/6,641.83
  6. Step 6: Final answer
    x = 5,047.57

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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.