Home / 6,771.39-10,157.22-2,091.41

Finding the Fourth Proportional to 6,771.39, 10,157.22 and 2,091.41

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Solution

The fourth proportional to 6,771.39, 10,157.22 and 2,091.41 is: 3,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,771.39 : 10,157.22 = 2,091.41 : x
  2. Step 2: Convert to fraction form
    6,771.39/10,157.22 = 2,091.41/x
  3. Step 3: Cross multiply
    6,771.39x = 10,157.22 × 2,091.41
  4. Step 4: Simplify right side
    6,771.39x = 21,242,860.69
  5. Step 5: Solve for x
    x = 21,242,860.69/6,771.39
  6. Step 6: Final answer
    x = 3,137.15

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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.