Home / 7,311.75-10,967.64-1,839.75

Finding the Fourth Proportional to 7,311.75, 10,967.64 and 1,839.75

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Solution

The fourth proportional to 7,311.75, 10,967.64 and 1,839.75 is: 2,759.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.75 : 10,967.64 = 1,839.75 : x
  2. Step 2: Convert to fraction form
    7,311.75/10,967.64 = 1,839.75/x
  3. Step 3: Cross multiply
    7,311.75x = 10,967.64 × 1,839.75
  4. Step 4: Simplify right side
    7,311.75x = 20,177,715.69
  5. Step 5: Solve for x
    x = 20,177,715.69/7,311.75
  6. Step 6: Final answer
    x = 2,759.63

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Similar ratio
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1.5x scale

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.