Home / 4,270.44-6,404.62-2,189.36

Finding the Fourth Proportional to 4,270.44, 6,404.62 and 2,189.36

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Solution

The fourth proportional to 4,270.44, 6,404.62 and 2,189.36 is: 3,283.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.44 : 6,404.62 = 2,189.36 : x
  2. Step 2: Convert to fraction form
    4,270.44/6,404.62 = 2,189.36/x
  3. Step 3: Cross multiply
    4,270.44x = 6,404.62 × 2,189.36
  4. Step 4: Simplify right side
    4,270.44x = 14,022,018.84
  5. Step 5: Solve for x
    x = 14,022,018.84/4,270.44
  6. Step 6: Final answer
    x = 3,283.51

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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.