Home / 4,918.66-6,787.67-2,680.55

Finding the Fourth Proportional to 4,918.66, 6,787.67 and 2,680.55

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Solution

The fourth proportional to 4,918.66, 6,787.67 and 2,680.55 is: 3,699.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.66 : 6,787.67 = 2,680.55 : x
  2. Step 2: Convert to fraction form
    4,918.66/6,787.67 = 2,680.55/x
  3. Step 3: Cross multiply
    4,918.66x = 6,787.67 × 2,680.55
  4. Step 4: Simplify right side
    4,918.66x = 18,194,688.82
  5. Step 5: Solve for x
    x = 18,194,688.82/4,918.66
  6. Step 6: Final answer
    x = 3,699.11

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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.