Home / 6,768.97-10,157.09-5,125.12

Finding the Fourth Proportional to 6,768.97, 10,157.09 and 5,125.12

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Solution

The fourth proportional to 6,768.97, 10,157.09 and 5,125.12 is: 7,690.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768.97 : 10,157.09 = 5,125.12 : x
  2. Step 2: Convert to fraction form
    6,768.97/10,157.09 = 5,125.12/x
  3. Step 3: Cross multiply
    6,768.97x = 10,157.09 × 5,125.12
  4. Step 4: Simplify right side
    6,768.97x = 52,056,305.10
  5. Step 5: Solve for x
    x = 52,056,305.10/6,768.97
  6. Step 6: Final answer
    x = 7,690.43

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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.