Home / 4,936.20-6,811.34-2,840.46

Finding the Fourth Proportional to 4,936.20, 6,811.34 and 2,840.46

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Solution

The fourth proportional to 4,936.20, 6,811.34 and 2,840.46 is: 3,919.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936.20 : 6,811.34 = 2,840.46 : x
  2. Step 2: Convert to fraction form
    4,936.20/6,811.34 = 2,840.46/x
  3. Step 3: Cross multiply
    4,936.20x = 6,811.34 × 2,840.46
  4. Step 4: Simplify right side
    4,936.20x = 19,347,338.82
  5. Step 5: Solve for x
    x = 19,347,338.82/4,936.20
  6. Step 6: Final answer
    x = 3,919.48

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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.