Home / 5,422-8,134.23-2,302.12

Finding the Fourth Proportional to 5,422, 8,134.23 and 2,302.12

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Solution

The fourth proportional to 5,422, 8,134.23 and 2,302.12 is: 3,453.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422 : 8,134.23 = 2,302.12 : x
  2. Step 2: Convert to fraction form
    5,422/8,134.23 = 2,302.12/x
  3. Step 3: Cross multiply
    5,422x = 8,134.23 × 2,302.12
  4. Step 4: Simplify right side
    5,422x = 18,725,973.57
  5. Step 5: Solve for x
    x = 18,725,973.57/5,422
  6. Step 6: Final answer
    x = 3,453.70

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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.