Home / 5,422.41-8,133.62-2,135.84

Finding the Fourth Proportional to 5,422.41, 8,133.62 and 2,135.84

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Solution

The fourth proportional to 5,422.41, 8,133.62 and 2,135.84 is: 3,203.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.41 : 8,133.62 = 2,135.84 : x
  2. Step 2: Convert to fraction form
    5,422.41/8,133.62 = 2,135.84/x
  3. Step 3: Cross multiply
    5,422.41x = 8,133.62 × 2,135.84
  4. Step 4: Simplify right side
    5,422.41x = 17,372,059.59
  5. Step 5: Solve for x
    x = 17,372,059.59/5,422.41
  6. Step 6: Final answer
    x = 3,203.75

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Similar ratio
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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.