Home / 6,778.88-10,170.14-6,128.25

Finding the Fourth Proportional to 6,778.88, 10,170.14 and 6,128.25

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Solution

The fourth proportional to 6,778.88, 10,170.14 and 6,128.25 is: 9,194.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.88 : 10,170.14 = 6,128.25 : x
  2. Step 2: Convert to fraction form
    6,778.88/10,170.14 = 6,128.25/x
  3. Step 3: Cross multiply
    6,778.88x = 10,170.14 × 6,128.25
  4. Step 4: Simplify right side
    6,778.88x = 62,325,160.46
  5. Step 5: Solve for x
    x = 62,325,160.46/6,778.88
  6. Step 6: Final answer
    x = 9,194.02

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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.