Home / 7,757.06-10,704.81-4,220.27

Finding the Fourth Proportional to 7,757.06, 10,704.81 and 4,220.27

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Solution

The fourth proportional to 7,757.06, 10,704.81 and 4,220.27 is: 5,824.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,757.06 : 10,704.81 = 4,220.27 : x
  2. Step 2: Convert to fraction form
    7,757.06/10,704.81 = 4,220.27/x
  3. Step 3: Cross multiply
    7,757.06x = 10,704.81 × 4,220.27
  4. Step 4: Simplify right side
    7,757.06x = 45,177,134.97
  5. Step 5: Solve for x
    x = 45,177,134.97/7,757.06
  6. Step 6: Final answer
    x = 5,824.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.