Home / 4,939.81-6,816.16-2,843.53

Finding the Fourth Proportional to 4,939.81, 6,816.16 and 2,843.53

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Solution

The fourth proportional to 4,939.81, 6,816.16 and 2,843.53 is: 3,923.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.81 : 6,816.16 = 2,843.53 : x
  2. Step 2: Convert to fraction form
    4,939.81/6,816.16 = 2,843.53/x
  3. Step 3: Cross multiply
    4,939.81x = 6,816.16 × 2,843.53
  4. Step 4: Simplify right side
    4,939.81x = 19,381,955.44
  5. Step 5: Solve for x
    x = 19,381,955.44/4,939.81
  6. Step 6: Final answer
    x = 3,923.62

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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.