Home / 4,006.38-5,522.22-3,120.66

Finding the Fourth Proportional to 4,006.38, 5,522.22 and 3,120.66

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Solution

The fourth proportional to 4,006.38, 5,522.22 and 3,120.66 is: 4,301.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,006.38 : 5,522.22 = 3,120.66 : x
  2. Step 2: Convert to fraction form
    4,006.38/5,522.22 = 3,120.66/x
  3. Step 3: Cross multiply
    4,006.38x = 5,522.22 × 3,120.66
  4. Step 4: Simplify right side
    4,006.38x = 17,232,971.07
  5. Step 5: Solve for x
    x = 17,232,971.07/4,006.38
  6. Step 6: Final answer
    x = 4,301.38

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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.