Home / 7,897.28-11,849.56-3,517.60

Finding the Fourth Proportional to 7,897.28, 11,849.56 and 3,517.60

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Solution

The fourth proportional to 7,897.28, 11,849.56 and 3,517.60 is: 5,278.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.28 : 11,849.56 = 3,517.60 : x
  2. Step 2: Convert to fraction form
    7,897.28/11,849.56 = 3,517.60/x
  3. Step 3: Cross multiply
    7,897.28x = 11,849.56 × 3,517.60
  4. Step 4: Simplify right side
    7,897.28x = 41,682,012.26
  5. Step 5: Solve for x
    x = 41,682,012.26/7,897.28
  6. Step 6: Final answer
    x = 5,278.02

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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.