Home / 5,255.36-7,252.45-2,897.59

Finding the Fourth Proportional to 5,255.36, 7,252.45 and 2,897.59

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Solution

The fourth proportional to 5,255.36, 7,252.45 and 2,897.59 is: 3,998.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.36 : 7,252.45 = 2,897.59 : x
  2. Step 2: Convert to fraction form
    5,255.36/7,252.45 = 2,897.59/x
  3. Step 3: Cross multiply
    5,255.36x = 7,252.45 × 2,897.59
  4. Step 4: Simplify right side
    5,255.36x = 21,014,575.85
  5. Step 5: Solve for x
    x = 21,014,575.85/5,255.36
  6. Step 6: Final answer
    x = 3,998.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.