Home / 4,190.82-6,254.86-4,121.62

Finding the Fourth Proportional to 4,190.82, 6,254.86 and 4,121.62

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Solution

The fourth proportional to 4,190.82, 6,254.86 and 4,121.62 is: 6,151.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.82 : 6,254.86 = 4,121.62 : x
  2. Step 2: Convert to fraction form
    4,190.82/6,254.86 = 4,121.62/x
  3. Step 3: Cross multiply
    4,190.82x = 6,254.86 × 4,121.62
  4. Step 4: Simplify right side
    4,190.82x = 25,780,156.07
  5. Step 5: Solve for x
    x = 25,780,156.07/4,190.82
  6. Step 6: Final answer
    x = 6,151.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.