Home / 5,422.95-8,134.43-2,134.25

Finding the Fourth Proportional to 5,422.95, 8,134.43 and 2,134.25

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Solution

The fourth proportional to 5,422.95, 8,134.43 and 2,134.25 is: 3,201.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.95 : 8,134.43 = 2,134.25 : x
  2. Step 2: Convert to fraction form
    5,422.95/8,134.43 = 2,134.25/x
  3. Step 3: Cross multiply
    5,422.95x = 8,134.43 × 2,134.25
  4. Step 4: Simplify right side
    5,422.95x = 17,360,855.88
  5. Step 5: Solve for x
    x = 17,360,855.88/5,422.95
  6. Step 6: Final answer
    x = 3,201.37

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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.