Home / 7,625.67-11,440.73-3,469.02

Finding the Fourth Proportional to 7,625.67, 11,440.73 and 3,469.02

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Solution

The fourth proportional to 7,625.67, 11,440.73 and 3,469.02 is: 5,204.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.67 : 11,440.73 = 3,469.02 : x
  2. Step 2: Convert to fraction form
    7,625.67/11,440.73 = 3,469.02/x
  3. Step 3: Cross multiply
    7,625.67x = 11,440.73 × 3,469.02
  4. Step 4: Simplify right side
    7,625.67x = 39,688,121.18
  5. Step 5: Solve for x
    x = 39,688,121.18/7,625.67
  6. Step 6: Final answer
    x = 5,204.54

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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.