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Finding the Fourth Proportional to 6,127.54, 9,122.01 and 6,091.09

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Solution

The fourth proportional to 6,127.54, 9,122.01 and 6,091.09 is: 9,067.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127.54 : 9,122.01 = 6,091.09 : x
  2. Step 2: Convert to fraction form
    6,127.54/9,122.01 = 6,091.09/x
  3. Step 3: Cross multiply
    6,127.54x = 9,122.01 × 6,091.09
  4. Step 4: Simplify right side
    6,127.54x = 55,562,938.24
  5. Step 5: Solve for x
    x = 55,562,938.24/6,127.54
  6. Step 6: Final answer
    x = 9,067.74

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.