Home / 4,918.76-6,787.97-2,680.64

Finding the Fourth Proportional to 4,918.76, 6,787.97 and 2,680.64

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Solution

The fourth proportional to 4,918.76, 6,787.97 and 2,680.64 is: 3,699.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.76 : 6,787.97 = 2,680.64 : x
  2. Step 2: Convert to fraction form
    4,918.76/6,787.97 = 2,680.64/x
  3. Step 3: Cross multiply
    4,918.76x = 6,787.97 × 2,680.64
  4. Step 4: Simplify right side
    4,918.76x = 18,196,056.56
  5. Step 5: Solve for x
    x = 18,196,056.56/4,918.76
  6. Step 6: Final answer
    x = 3,699.32

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1.5x scale

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.