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Finding the Fourth Proportional to 6,201.67, 8,557.90 and 3,548.65

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Solution

The fourth proportional to 6,201.67, 8,557.90 and 3,548.65 is: 4,896.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,201.67 : 8,557.90 = 3,548.65 : x
  2. Step 2: Convert to fraction form
    6,201.67/8,557.90 = 3,548.65/x
  3. Step 3: Cross multiply
    6,201.67x = 8,557.90 × 3,548.65
  4. Step 4: Simplify right side
    6,201.67x = 30,368,991.84
  5. Step 5: Solve for x
    x = 30,368,991.84/6,201.67
  6. Step 6: Final answer
    x = 4,896.91

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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.