Home / 6,647.34-9,179.56-4,167.66

Finding the Fourth Proportional to 6,647.34, 9,179.56 and 4,167.66

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Solution

The fourth proportional to 6,647.34, 9,179.56 and 4,167.66 is: 5,755.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647.34 : 9,179.56 = 4,167.66 : x
  2. Step 2: Convert to fraction form
    6,647.34/9,179.56 = 4,167.66/x
  3. Step 3: Cross multiply
    6,647.34x = 9,179.56 × 4,167.66
  4. Step 4: Simplify right side
    6,647.34x = 38,257,285.03
  5. Step 5: Solve for x
    x = 38,257,285.03/6,647.34
  6. Step 6: Final answer
    x = 5,755.28

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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.