Home / 7,738.48-11,601.20-6,274

Finding the Fourth Proportional to 7,738.48, 11,601.20 and 6,274

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Solution

The fourth proportional to 7,738.48, 11,601.20 and 6,274 is: 9,405.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.48 : 11,601.20 = 6,274 : x
  2. Step 2: Convert to fraction form
    7,738.48/11,601.20 = 6,274/x
  3. Step 3: Cross multiply
    7,738.48x = 11,601.20 × 6,274
  4. Step 4: Simplify right side
    7,738.48x = 72,785,928.80
  5. Step 5: Solve for x
    x = 72,785,928.80/7,738.48
  6. Step 6: Final answer
    x = 9,405.71

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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.