Home / 6,127.07-9,190.61-2,231.78

Finding the Fourth Proportional to 6,127.07, 9,190.61 and 2,231.78

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Solution

The fourth proportional to 6,127.07, 9,190.61 and 2,231.78 is: 3,347.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127.07 : 9,190.61 = 2,231.78 : x
  2. Step 2: Convert to fraction form
    6,127.07/9,190.61 = 2,231.78/x
  3. Step 3: Cross multiply
    6,127.07x = 9,190.61 × 2,231.78
  4. Step 4: Simplify right side
    6,127.07x = 20,511,362.47
  5. Step 5: Solve for x
    x = 20,511,362.47/6,127.07
  6. Step 6: Final answer
    x = 3,347.67

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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.