Home / 5,620.82-8,436.41-2,849.43

Finding the Fourth Proportional to 5,620.82, 8,436.41 and 2,849.43

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Solution

The fourth proportional to 5,620.82, 8,436.41 and 2,849.43 is: 4,276.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.82 : 8,436.41 = 2,849.43 : x
  2. Step 2: Convert to fraction form
    5,620.82/8,436.41 = 2,849.43/x
  3. Step 3: Cross multiply
    5,620.82x = 8,436.41 × 2,849.43
  4. Step 4: Simplify right side
    5,620.82x = 24,038,987.82
  5. Step 5: Solve for x
    x = 24,038,987.82/5,620.82
  6. Step 6: Final answer
    x = 4,276.77

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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.