Home / 4,936.32-6,812-2,698.20

Finding the Fourth Proportional to 4,936.32, 6,812 and 2,698.20

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Solution

The fourth proportional to 4,936.32, 6,812 and 2,698.20 is: 3,723.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936.32 : 6,812 = 2,698.20 : x
  2. Step 2: Convert to fraction form
    4,936.32/6,812 = 2,698.20/x
  3. Step 3: Cross multiply
    4,936.32x = 6,812 × 2,698.20
  4. Step 4: Simplify right side
    4,936.32x = 18,380,138.40
  5. Step 5: Solve for x
    x = 18,380,138.40/4,936.32
  6. Step 6: Final answer
    x = 3,723.45

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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.