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Finding the Fourth Proportional to 6,600.75, 9,901.13 and 1,984.83

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Solution

The fourth proportional to 6,600.75, 9,901.13 and 1,984.83 is: 2,977.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.75 : 9,901.13 = 1,984.83 : x
  2. Step 2: Convert to fraction form
    6,600.75/9,901.13 = 1,984.83/x
  3. Step 3: Cross multiply
    6,600.75x = 9,901.13 × 1,984.83
  4. Step 4: Simplify right side
    6,600.75x = 19,652,049.93
  5. Step 5: Solve for x
    x = 19,652,049.93/6,600.75
  6. Step 6: Final answer
    x = 2,977.25

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