Home / 5,422.38-8,134.71-3,083.50

Finding the Fourth Proportional to 5,422.38, 8,134.71 and 3,083.50

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Solution

The fourth proportional to 5,422.38, 8,134.71 and 3,083.50 is: 4,625.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.38 : 8,134.71 = 3,083.50 : x
  2. Step 2: Convert to fraction form
    5,422.38/8,134.71 = 3,083.50/x
  3. Step 3: Cross multiply
    5,422.38x = 8,134.71 × 3,083.50
  4. Step 4: Simplify right side
    5,422.38x = 25,083,378.29
  5. Step 5: Solve for x
    x = 25,083,378.29/5,422.38
  6. Step 6: Final answer
    x = 4,625.90

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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.