Home / 4,696.85-6,481.19-2,808.05

Finding the Fourth Proportional to 4,696.85, 6,481.19 and 2,808.05

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Solution

The fourth proportional to 4,696.85, 6,481.19 and 2,808.05 is: 3,874.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,696.85 : 6,481.19 = 2,808.05 : x
  2. Step 2: Convert to fraction form
    4,696.85/6,481.19 = 2,808.05/x
  3. Step 3: Cross multiply
    4,696.85x = 6,481.19 × 2,808.05
  4. Step 4: Simplify right side
    4,696.85x = 18,199,528.80
  5. Step 5: Solve for x
    x = 18,199,528.80/4,696.85
  6. Step 6: Final answer
    x = 3,874.84

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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.