Home / 4,882.32-6,738.81-2,787.66

Finding the Fourth Proportional to 4,882.32, 6,738.81 and 2,787.66

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Solution

The fourth proportional to 4,882.32, 6,738.81 and 2,787.66 is: 3,847.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,882.32 : 6,738.81 = 2,787.66 : x
  2. Step 2: Convert to fraction form
    4,882.32/6,738.81 = 2,787.66/x
  3. Step 3: Cross multiply
    4,882.32x = 6,738.81 × 2,787.66
  4. Step 4: Simplify right side
    4,882.32x = 18,785,511.08
  5. Step 5: Solve for x
    x = 18,785,511.08/4,882.32
  6. Step 6: Final answer
    x = 3,847.66

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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.