Home / 4,450.45-6,709.44-4,212.31

Finding the Fourth Proportional to 4,450.45, 6,709.44 and 4,212.31

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Solution

The fourth proportional to 4,450.45, 6,709.44 and 4,212.31 is: 6,350.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,450.45 : 6,709.44 = 4,212.31 : x
  2. Step 2: Convert to fraction form
    4,450.45/6,709.44 = 4,212.31/x
  3. Step 3: Cross multiply
    4,450.45x = 6,709.44 × 4,212.31
  4. Step 4: Simplify right side
    4,450.45x = 28,262,241.21
  5. Step 5: Solve for x
    x = 28,262,241.21/4,450.45
  6. Step 6: Final answer
    x = 6,350.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.