Home / 7,273.75-10,912.26-2,656.75

Finding the Fourth Proportional to 7,273.75, 10,912.26 and 2,656.75

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Solution

The fourth proportional to 7,273.75, 10,912.26 and 2,656.75 is: 3,985.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.75 : 10,912.26 = 2,656.75 : x
  2. Step 2: Convert to fraction form
    7,273.75/10,912.26 = 2,656.75/x
  3. Step 3: Cross multiply
    7,273.75x = 10,912.26 × 2,656.75
  4. Step 4: Simplify right side
    7,273.75x = 28,991,146.76
  5. Step 5: Solve for x
    x = 28,991,146.76/7,273.75
  6. Step 6: Final answer
    x = 3,985.72

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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.