Home / 5,453.37-8,184.13-2,122.14

Finding the Fourth Proportional to 5,453.37, 8,184.13 and 2,122.14

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Solution

The fourth proportional to 5,453.37, 8,184.13 and 2,122.14 is: 3,184.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.37 : 8,184.13 = 2,122.14 : x
  2. Step 2: Convert to fraction form
    5,453.37/8,184.13 = 2,122.14/x
  3. Step 3: Cross multiply
    5,453.37x = 8,184.13 × 2,122.14
  4. Step 4: Simplify right side
    5,453.37x = 17,367,864.33
  5. Step 5: Solve for x
    x = 17,367,864.33/5,453.37
  6. Step 6: Final answer
    x = 3,184.79

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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.