Home / 4,283.78-5,912.25-2,712.02

Finding the Fourth Proportional to 4,283.78, 5,912.25 and 2,712.02

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Solution

The fourth proportional to 4,283.78, 5,912.25 and 2,712.02 is: 3,742.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.78 : 5,912.25 = 2,712.02 : x
  2. Step 2: Convert to fraction form
    4,283.78/5,912.25 = 2,712.02/x
  3. Step 3: Cross multiply
    4,283.78x = 5,912.25 × 2,712.02
  4. Step 4: Simplify right side
    4,283.78x = 16,034,140.25
  5. Step 5: Solve for x
    x = 16,034,140.25/4,283.78
  6. Step 6: Final answer
    x = 3,742.99

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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.