Home / 4,283.84-5,912.69-2,789.16

Finding the Fourth Proportional to 4,283.84, 5,912.69 and 2,789.16

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Solution

The fourth proportional to 4,283.84, 5,912.69 and 2,789.16 is: 3,849.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.84 : 5,912.69 = 2,789.16 : x
  2. Step 2: Convert to fraction form
    4,283.84/5,912.69 = 2,789.16/x
  3. Step 3: Cross multiply
    4,283.84x = 5,912.69 × 2,789.16
  4. Step 4: Simplify right side
    4,283.84x = 16,491,438.44
  5. Step 5: Solve for x
    x = 16,491,438.44/4,283.84
  6. Step 6: Final answer
    x = 3,849.69

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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.