Home / 4,685.33-7,028.69-1,912.18

Finding the Fourth Proportional to 4,685.33, 7,028.69 and 1,912.18

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Solution

The fourth proportional to 4,685.33, 7,028.69 and 1,912.18 is: 2,868.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.33 : 7,028.69 = 1,912.18 : x
  2. Step 2: Convert to fraction form
    4,685.33/7,028.69 = 1,912.18/x
  3. Step 3: Cross multiply
    4,685.33x = 7,028.69 × 1,912.18
  4. Step 4: Simplify right side
    4,685.33x = 13,440,120.44
  5. Step 5: Solve for x
    x = 13,440,120.44/4,685.33
  6. Step 6: Final answer
    x = 2,868.55

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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.