Home / 5,371.78-8,052.81-2,769.25

Finding the Fourth Proportional to 5,371.78, 8,052.81 and 2,769.25

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Solution

The fourth proportional to 5,371.78, 8,052.81 and 2,769.25 is: 4,151.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.78 : 8,052.81 = 2,769.25 : x
  2. Step 2: Convert to fraction form
    5,371.78/8,052.81 = 2,769.25/x
  3. Step 3: Cross multiply
    5,371.78x = 8,052.81 × 2,769.25
  4. Step 4: Simplify right side
    5,371.78x = 22,300,244.09
  5. Step 5: Solve for x
    x = 22,300,244.09/5,371.78
  6. Step 6: Final answer
    x = 4,151.37

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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.