Home / 5,257.14-7,255.69-3,161.27

Finding the Fourth Proportional to 5,257.14, 7,255.69 and 3,161.27

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Solution

The fourth proportional to 5,257.14, 7,255.69 and 3,161.27 is: 4,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.14 : 7,255.69 = 3,161.27 : x
  2. Step 2: Convert to fraction form
    5,257.14/7,255.69 = 3,161.27/x
  3. Step 3: Cross multiply
    5,257.14x = 7,255.69 × 3,161.27
  4. Step 4: Simplify right side
    5,257.14x = 22,937,150.94
  5. Step 5: Solve for x
    x = 22,937,150.94/5,257.14
  6. Step 6: Final answer
    x = 4,363.05

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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.