Home / 4,126.72-5,696-2,657.28

Finding the Fourth Proportional to 4,126.72, 5,696 and 2,657.28

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Solution

The fourth proportional to 4,126.72, 5,696 and 2,657.28 is: 3,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.72 : 5,696 = 2,657.28 : x
  2. Step 2: Convert to fraction form
    4,126.72/5,696 = 2,657.28/x
  3. Step 3: Cross multiply
    4,126.72x = 5,696 × 2,657.28
  4. Step 4: Simplify right side
    4,126.72x = 15,135,866.88
  5. Step 5: Solve for x
    x = 15,135,866.88/4,126.72
  6. Step 6: Final answer
    x = 3,667.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.