Home / 5,255.00-7,251.91-2,897.15

Finding the Fourth Proportional to 5,255.00, 7,251.91 and 2,897.15

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Solution

The fourth proportional to 5,255.00, 7,251.91 and 2,897.15 is: 3,998.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.00 : 7,251.91 = 2,897.15 : x
  2. Step 2: Convert to fraction form
    5,255.00/7,251.91 = 2,897.15/x
  3. Step 3: Cross multiply
    5,255.00x = 7,251.91 × 2,897.15
  4. Step 4: Simplify right side
    5,255.00x = 21,009,843.85
  5. Step 5: Solve for x
    x = 21,009,843.85/5,255.00
  6. Step 6: Final answer
    x = 3,998.06

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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.