Home / 4,121.91-6,175.67-3,433.01

Finding the Fourth Proportional to 4,121.91, 6,175.67 and 3,433.01

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Solution

The fourth proportional to 4,121.91, 6,175.67 and 3,433.01 is: 5,143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.91 : 6,175.67 = 3,433.01 : x
  2. Step 2: Convert to fraction form
    4,121.91/6,175.67 = 3,433.01/x
  3. Step 3: Cross multiply
    4,121.91x = 6,175.67 × 3,433.01
  4. Step 4: Simplify right side
    4,121.91x = 21,201,088.82
  5. Step 5: Solve for x
    x = 21,201,088.82/4,121.91
  6. Step 6: Final answer
    x = 5,143.51

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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.