Home / 4,513.70-6,768.72-2,665.28

Finding the Fourth Proportional to 4,513.70, 6,768.72 and 2,665.28

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Solution

The fourth proportional to 4,513.70, 6,768.72 and 2,665.28 is: 3,996.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,513.70 : 6,768.72 = 2,665.28 : x
  2. Step 2: Convert to fraction form
    4,513.70/6,768.72 = 2,665.28/x
  3. Step 3: Cross multiply
    4,513.70x = 6,768.72 × 2,665.28
  4. Step 4: Simplify right side
    4,513.70x = 18,040,534.04
  5. Step 5: Solve for x
    x = 18,040,534.04/4,513.70
  6. Step 6: Final answer
    x = 3,996.84

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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.