Home / 7,757.36-10,704.96-4,220.56

Finding the Fourth Proportional to 7,757.36, 10,704.96 and 4,220.56

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Solution

The fourth proportional to 7,757.36, 10,704.96 and 4,220.56 is: 5,824.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,757.36 : 10,704.96 = 4,220.56 : x
  2. Step 2: Convert to fraction form
    7,757.36/10,704.96 = 4,220.56/x
  3. Step 3: Cross multiply
    7,757.36x = 10,704.96 × 4,220.56
  4. Step 4: Simplify right side
    7,757.36x = 45,180,925.98
  5. Step 5: Solve for x
    x = 45,180,925.98/7,757.36
  6. Step 6: Final answer
    x = 5,824.27

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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.