Home / 5,100.89-7,665.78-3,021.29

Finding the Fourth Proportional to 5,100.89, 7,665.78 and 3,021.29

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Solution

The fourth proportional to 5,100.89, 7,665.78 and 3,021.29 is: 4,540.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.89 : 7,665.78 = 3,021.29 : x
  2. Step 2: Convert to fraction form
    5,100.89/7,665.78 = 3,021.29/x
  3. Step 3: Cross multiply
    5,100.89x = 7,665.78 × 3,021.29
  4. Step 4: Simplify right side
    5,100.89x = 23,160,506.13
  5. Step 5: Solve for x
    x = 23,160,506.13/5,100.89
  6. Step 6: Final answer
    x = 4,540.49

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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.