Home / 4,122.42-6,200.91-3,431.22

Finding the Fourth Proportional to 4,122.42, 6,200.91 and 3,431.22

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Solution

The fourth proportional to 4,122.42, 6,200.91 and 3,431.22 is: 5,161.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.42 : 6,200.91 = 3,431.22 : x
  2. Step 2: Convert to fraction form
    4,122.42/6,200.91 = 3,431.22/x
  3. Step 3: Cross multiply
    4,122.42x = 6,200.91 × 3,431.22
  4. Step 4: Simplify right side
    4,122.42x = 21,276,686.41
  5. Step 5: Solve for x
    x = 21,276,686.41/4,122.42
  6. Step 6: Final answer
    x = 5,161.21

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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.