Home / 4,639.11-6,949.69-2,884.81

Finding the Fourth Proportional to 4,639.11, 6,949.69 and 2,884.81

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Solution

The fourth proportional to 4,639.11, 6,949.69 and 2,884.81 is: 4,321.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.11 : 6,949.69 = 2,884.81 : x
  2. Step 2: Convert to fraction form
    4,639.11/6,949.69 = 2,884.81/x
  3. Step 3: Cross multiply
    4,639.11x = 6,949.69 × 2,884.81
  4. Step 4: Simplify right side
    4,639.11x = 20,048,542.42
  5. Step 5: Solve for x
    x = 20,048,542.42/4,639.11
  6. Step 6: Final answer
    x = 4,321.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.