Home / 4,908.08-6,772.68-2,811.92

Finding the Fourth Proportional to 4,908.08, 6,772.68 and 2,811.92

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Solution

The fourth proportional to 4,908.08, 6,772.68 and 2,811.92 is: 3,880.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.08 : 6,772.68 = 2,811.92 : x
  2. Step 2: Convert to fraction form
    4,908.08/6,772.68 = 2,811.92/x
  3. Step 3: Cross multiply
    4,908.08x = 6,772.68 × 2,811.92
  4. Step 4: Simplify right side
    4,908.08x = 19,044,234.35
  5. Step 5: Solve for x
    x = 19,044,234.35/4,908.08
  6. Step 6: Final answer
    x = 3,880.18

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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.