Home / 5,291.07-7,936.62-2,170.52

Finding the Fourth Proportional to 5,291.07, 7,936.62 and 2,170.52

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Solution

The fourth proportional to 5,291.07, 7,936.62 and 2,170.52 is: 3,255.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.07 : 7,936.62 = 2,170.52 : x
  2. Step 2: Convert to fraction form
    5,291.07/7,936.62 = 2,170.52/x
  3. Step 3: Cross multiply
    5,291.07x = 7,936.62 × 2,170.52
  4. Step 4: Simplify right side
    5,291.07x = 17,226,552.76
  5. Step 5: Solve for x
    x = 17,226,552.76/5,291.07
  6. Step 6: Final answer
    x = 3,255.78

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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.