Home / 6,168.29-8,512.25-3,515.72

Finding the Fourth Proportional to 6,168.29, 8,512.25 and 3,515.72

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Solution

The fourth proportional to 6,168.29, 8,512.25 and 3,515.72 is: 4,851.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,168.29 : 8,512.25 = 3,515.72 : x
  2. Step 2: Convert to fraction form
    6,168.29/8,512.25 = 3,515.72/x
  3. Step 3: Cross multiply
    6,168.29x = 8,512.25 × 3,515.72
  4. Step 4: Simplify right side
    6,168.29x = 29,926,627.43
  5. Step 5: Solve for x
    x = 29,926,627.43/6,168.29
  6. Step 6: Final answer
    x = 4,851.69

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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.