Home / 4,135.43-5,711-2,720.03

Finding the Fourth Proportional to 4,135.43, 5,711 and 2,720.03

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Solution

The fourth proportional to 4,135.43, 5,711 and 2,720.03 is: 3,756.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.43 : 5,711 = 2,720.03 : x
  2. Step 2: Convert to fraction form
    4,135.43/5,711 = 2,720.03/x
  3. Step 3: Cross multiply
    4,135.43x = 5,711 × 2,720.03
  4. Step 4: Simplify right side
    4,135.43x = 15,534,091.33
  5. Step 5: Solve for x
    x = 15,534,091.33/4,135.43
  6. Step 6: Final answer
    x = 3,756.34

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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.