Home / 5,621.82-8,437.91-2,850.43

Finding the Fourth Proportional to 5,621.82, 8,437.91 and 2,850.43

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Solution

The fourth proportional to 5,621.82, 8,437.91 and 2,850.43 is: 4,278.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.82 : 8,437.91 = 2,850.43 : x
  2. Step 2: Convert to fraction form
    5,621.82/8,437.91 = 2,850.43/x
  3. Step 3: Cross multiply
    5,621.82x = 8,437.91 × 2,850.43
  4. Step 4: Simplify right side
    5,621.82x = 24,051,671.80
  5. Step 5: Solve for x
    x = 24,051,671.80/5,621.82
  6. Step 6: Final answer
    x = 4,278.27

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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.