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Finding the Fourth Proportional to 6,659.26, 9,988.89 and 2,041.66

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Solution

The fourth proportional to 6,659.26, 9,988.89 and 2,041.66 is: 3,062.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659.26 : 9,988.89 = 2,041.66 : x
  2. Step 2: Convert to fraction form
    6,659.26/9,988.89 = 2,041.66/x
  3. Step 3: Cross multiply
    6,659.26x = 9,988.89 × 2,041.66
  4. Step 4: Simplify right side
    6,659.26x = 20,393,917.16
  5. Step 5: Solve for x
    x = 20,393,917.16/6,659.26
  6. Step 6: Final answer
    x = 3,062.49

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.