Home / 4,075-5,623.62-2,212.12

Finding the Fourth Proportional to 4,075, 5,623.62 and 2,212.12

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Solution

The fourth proportional to 4,075, 5,623.62 and 2,212.12 is: 3,052.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075 : 5,623.62 = 2,212.12 : x
  2. Step 2: Convert to fraction form
    4,075/5,623.62 = 2,212.12/x
  3. Step 3: Cross multiply
    4,075x = 5,623.62 × 2,212.12
  4. Step 4: Simplify right side
    4,075x = 12,440,122.27
  5. Step 5: Solve for x
    x = 12,440,122.27/4,075
  6. Step 6: Final answer
    x = 3,052.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.