Home / 7,765.05-11,640.55-3,083.99

Finding the Fourth Proportional to 7,765.05, 11,640.55 and 3,083.99

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Solution

The fourth proportional to 7,765.05, 11,640.55 and 3,083.99 is: 4,623.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,765.05 : 11,640.55 = 3,083.99 : x
  2. Step 2: Convert to fraction form
    7,765.05/11,640.55 = 3,083.99/x
  3. Step 3: Cross multiply
    7,765.05x = 11,640.55 × 3,083.99
  4. Step 4: Simplify right side
    7,765.05x = 35,899,353.82
  5. Step 5: Solve for x
    x = 35,899,353.82/7,765.05
  6. Step 6: Final answer
    x = 4,623.20

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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.