Home / 4,918.62-6,787.89-2,680.41

Finding the Fourth Proportional to 4,918.62, 6,787.89 and 2,680.41

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Solution

The fourth proportional to 4,918.62, 6,787.89 and 2,680.41 is: 3,699.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.62 : 6,787.89 = 2,680.41 : x
  2. Step 2: Convert to fraction form
    4,918.62/6,787.89 = 2,680.41/x
  3. Step 3: Cross multiply
    4,918.62x = 6,787.89 × 2,680.41
  4. Step 4: Simplify right side
    4,918.62x = 18,194,328.23
  5. Step 5: Solve for x
    x = 18,194,328.23/4,918.62
  6. Step 6: Final answer
    x = 3,699.07

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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.