Home / 6,122.05-8,440.38-4,419.12

Finding the Fourth Proportional to 6,122.05, 8,440.38 and 4,419.12

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Solution

The fourth proportional to 6,122.05, 8,440.38 and 4,419.12 is: 6,092.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.05 : 8,440.38 = 4,419.12 : x
  2. Step 2: Convert to fraction form
    6,122.05/8,440.38 = 4,419.12/x
  3. Step 3: Cross multiply
    6,122.05x = 8,440.38 × 4,419.12
  4. Step 4: Simplify right side
    6,122.05x = 37,299,083.72
  5. Step 5: Solve for x
    x = 37,299,083.72/6,122.05
  6. Step 6: Final answer
    x = 6,092.58

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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.