Home / 5,255.50-7,252.68-2,897.67

Finding the Fourth Proportional to 5,255.50, 7,252.68 and 2,897.67

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Solution

The fourth proportional to 5,255.50, 7,252.68 and 2,897.67 is: 3,998.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.50 : 7,252.68 = 2,897.67 : x
  2. Step 2: Convert to fraction form
    5,255.50/7,252.68 = 2,897.67/x
  3. Step 3: Cross multiply
    5,255.50x = 7,252.68 × 2,897.67
  4. Step 4: Simplify right side
    5,255.50x = 21,015,873.26
  5. Step 5: Solve for x
    x = 21,015,873.26/5,255.50
  6. Step 6: Final answer
    x = 3,998.83

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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.