Home / 4,272.53-6,397.61-3,435.12

Finding the Fourth Proportional to 4,272.53, 6,397.61 and 3,435.12

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Solution

The fourth proportional to 4,272.53, 6,397.61 and 3,435.12 is: 5,143.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.53 : 6,397.61 = 3,435.12 : x
  2. Step 2: Convert to fraction form
    4,272.53/6,397.61 = 3,435.12/x
  3. Step 3: Cross multiply
    4,272.53x = 6,397.61 × 3,435.12
  4. Step 4: Simplify right side
    4,272.53x = 21,976,540.89
  5. Step 5: Solve for x
    x = 21,976,540.89/4,272.53
  6. Step 6: Final answer
    x = 5,143.69

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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.