Home / 4,918.39-6,787.50-2,680.36

Finding the Fourth Proportional to 4,918.39, 6,787.50 and 2,680.36

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Solution

The fourth proportional to 4,918.39, 6,787.50 and 2,680.36 is: 3,698.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.39 : 6,787.50 = 2,680.36 : x
  2. Step 2: Convert to fraction form
    4,918.39/6,787.50 = 2,680.36/x
  3. Step 3: Cross multiply
    4,918.39x = 6,787.50 × 2,680.36
  4. Step 4: Simplify right side
    4,918.39x = 18,192,916.48
  5. Step 5: Solve for x
    x = 18,192,916.48/4,918.39
  6. Step 6: Final answer
    x = 3,698.96

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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.