Home / 4,512.78-6,228.18-2,744.64

Finding the Fourth Proportional to 4,512.78, 6,228.18 and 2,744.64

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Solution

The fourth proportional to 4,512.78, 6,228.18 and 2,744.64 is: 3,787.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,512.78 : 6,228.18 = 2,744.64 : x
  2. Step 2: Convert to fraction form
    4,512.78/6,228.18 = 2,744.64/x
  3. Step 3: Cross multiply
    4,512.78x = 6,228.18 × 2,744.64
  4. Step 4: Simplify right side
    4,512.78x = 17,094,111.96
  5. Step 5: Solve for x
    x = 17,094,111.96/4,512.78
  6. Step 6: Final answer
    x = 3,787.93

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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.