Home / 5,255.38-7,252.93-2,897.52

Finding the Fourth Proportional to 5,255.38, 7,252.93 and 2,897.52

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Solution

The fourth proportional to 5,255.38, 7,252.93 and 2,897.52 is: 3,998.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.38 : 7,252.93 = 2,897.52 : x
  2. Step 2: Convert to fraction form
    5,255.38/7,252.93 = 2,897.52/x
  3. Step 3: Cross multiply
    5,255.38x = 7,252.93 × 2,897.52
  4. Step 4: Simplify right side
    5,255.38x = 21,015,473.47
  5. Step 5: Solve for x
    x = 21,015,473.47/5,255.38
  6. Step 6: Final answer
    x = 3,998.85

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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.