Home / 4,199.09-6,289.83-2,807.91

Finding the Fourth Proportional to 4,199.09, 6,289.83 and 2,807.91

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Solution

The fourth proportional to 4,199.09, 6,289.83 and 2,807.91 is: 4,205.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,199.09 : 6,289.83 = 2,807.91 : x
  2. Step 2: Convert to fraction form
    4,199.09/6,289.83 = 2,807.91/x
  3. Step 3: Cross multiply
    4,199.09x = 6,289.83 × 2,807.91
  4. Step 4: Simplify right side
    4,199.09x = 17,661,276.56
  5. Step 5: Solve for x
    x = 17,661,276.56/4,199.09
  6. Step 6: Final answer
    x = 4,205.98

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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.