Home / 4,935.32-6,811.38-2,839.44

Finding the Fourth Proportional to 4,935.32, 6,811.38 and 2,839.44

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Solution

The fourth proportional to 4,935.32, 6,811.38 and 2,839.44 is: 3,918.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.32 : 6,811.38 = 2,839.44 : x
  2. Step 2: Convert to fraction form
    4,935.32/6,811.38 = 2,839.44/x
  3. Step 3: Cross multiply
    4,935.32x = 6,811.38 × 2,839.44
  4. Step 4: Simplify right side
    4,935.32x = 19,340,504.83
  5. Step 5: Solve for x
    x = 19,340,504.83/4,935.32
  6. Step 6: Final answer
    x = 3,918.79

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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.