Home / 6,991.26-10,485.72-2,607.54

Finding the Fourth Proportional to 6,991.26, 10,485.72 and 2,607.54

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Solution

The fourth proportional to 6,991.26, 10,485.72 and 2,607.54 is: 3,910.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991.26 : 10,485.72 = 2,607.54 : x
  2. Step 2: Convert to fraction form
    6,991.26/10,485.72 = 2,607.54/x
  3. Step 3: Cross multiply
    6,991.26x = 10,485.72 × 2,607.54
  4. Step 4: Simplify right side
    6,991.26x = 27,341,934.33
  5. Step 5: Solve for x
    x = 27,341,934.33/6,991.26
  6. Step 6: Final answer
    x = 3,910.87

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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.