Home / 4,918.89-6,787.99-2,680.79

Finding the Fourth Proportional to 4,918.89, 6,787.99 and 2,680.79

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Solution

The fourth proportional to 4,918.89, 6,787.99 and 2,680.79 is: 3,699.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.89 : 6,787.99 = 2,680.79 : x
  2. Step 2: Convert to fraction form
    4,918.89/6,787.99 = 2,680.79/x
  3. Step 3: Cross multiply
    4,918.89x = 6,787.99 × 2,680.79
  4. Step 4: Simplify right side
    4,918.89x = 18,197,175.71
  5. Step 5: Solve for x
    x = 18,197,175.71/4,918.89
  6. Step 6: Final answer
    x = 3,699.45

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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.