Home / 6,656.94-9,190.26-4,005

Finding the Fourth Proportional to 6,656.94, 9,190.26 and 4,005

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Solution

The fourth proportional to 6,656.94, 9,190.26 and 4,005 is: 5,529.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.94 : 9,190.26 = 4,005 : x
  2. Step 2: Convert to fraction form
    6,656.94/9,190.26 = 4,005/x
  3. Step 3: Cross multiply
    6,656.94x = 9,190.26 × 4,005
  4. Step 4: Simplify right side
    6,656.94x = 36,806,991.30
  5. Step 5: Solve for x
    x = 36,806,991.30/6,656.94
  6. Step 6: Final answer
    x = 5,529.12

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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.