Home / 6,168.66-8,512.38-3,515.64

Finding the Fourth Proportional to 6,168.66, 8,512.38 and 3,515.64

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Solution

The fourth proportional to 6,168.66, 8,512.38 and 3,515.64 is: 4,851.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,168.66 : 8,512.38 = 3,515.64 : x
  2. Step 2: Convert to fraction form
    6,168.66/8,512.38 = 3,515.64/x
  3. Step 3: Cross multiply
    6,168.66x = 8,512.38 × 3,515.64
  4. Step 4: Simplify right side
    6,168.66x = 29,926,463.62
  5. Step 5: Solve for x
    x = 29,926,463.62/6,168.66
  6. Step 6: Final answer
    x = 4,851.37

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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.