Home / 5,110-7,665.20-2,336.82

Finding the Fourth Proportional to 5,110, 7,665.20 and 2,336.82

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Solution

The fourth proportional to 5,110, 7,665.20 and 2,336.82 is: 3,505.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110 : 7,665.20 = 2,336.82 : x
  2. Step 2: Convert to fraction form
    5,110/7,665.20 = 2,336.82/x
  3. Step 3: Cross multiply
    5,110x = 7,665.20 × 2,336.82
  4. Step 4: Simplify right side
    5,110x = 17,912,192.66
  5. Step 5: Solve for x
    x = 17,912,192.66/5,110
  6. Step 6: Final answer
    x = 3,505.32

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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.