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Finding the Fourth Proportional to 5,500.73, 7,601.09 and 4,006.06

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Solution

The fourth proportional to 5,500.73, 7,601.09 and 4,006.06 is: 5,535.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.73 : 7,601.09 = 4,006.06 : x
  2. Step 2: Convert to fraction form
    5,500.73/7,601.09 = 4,006.06/x
  3. Step 3: Cross multiply
    5,500.73x = 7,601.09 × 4,006.06
  4. Step 4: Simplify right side
    5,500.73x = 30,450,383.57
  5. Step 5: Solve for x
    x = 30,450,383.57/5,500.73
  6. Step 6: Final answer
    x = 5,535.70

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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.