Home / 4,918.61-6,787.51-2,680.44

Finding the Fourth Proportional to 4,918.61, 6,787.51 and 2,680.44

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Solution

The fourth proportional to 4,918.61, 6,787.51 and 2,680.44 is: 3,698.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.61 : 6,787.51 = 2,680.44 : x
  2. Step 2: Convert to fraction form
    4,918.61/6,787.51 = 2,680.44/x
  3. Step 3: Cross multiply
    4,918.61x = 6,787.51 × 2,680.44
  4. Step 4: Simplify right side
    4,918.61x = 18,193,465.96
  5. Step 5: Solve for x
    x = 18,193,465.96/4,918.61
  6. Step 6: Final answer
    x = 3,698.91

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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.