Home / 4,619.82-6,930.57-2,157.42

Finding the Fourth Proportional to 4,619.82, 6,930.57 and 2,157.42

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Solution

The fourth proportional to 4,619.82, 6,930.57 and 2,157.42 is: 3,236.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619.82 : 6,930.57 = 2,157.42 : x
  2. Step 2: Convert to fraction form
    4,619.82/6,930.57 = 2,157.42/x
  3. Step 3: Cross multiply
    4,619.82x = 6,930.57 × 2,157.42
  4. Step 4: Simplify right side
    4,619.82x = 14,952,150.33
  5. Step 5: Solve for x
    x = 14,952,150.33/4,619.82
  6. Step 6: Final answer
    x = 3,236.52

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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.