Home / 4,918.48-6,787.44-2,680.34

Finding the Fourth Proportional to 4,918.48, 6,787.44 and 2,680.34

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Solution

The fourth proportional to 4,918.48, 6,787.44 and 2,680.34 is: 3,698.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.48 : 6,787.44 = 2,680.34 : x
  2. Step 2: Convert to fraction form
    4,918.48/6,787.44 = 2,680.34/x
  3. Step 3: Cross multiply
    4,918.48x = 6,787.44 × 2,680.34
  4. Step 4: Simplify right side
    4,918.48x = 18,192,612.99
  5. Step 5: Solve for x
    x = 18,192,612.99/4,918.48
  6. Step 6: Final answer
    x = 3,698.83

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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.