Home / 6,463.08-9,696.60-2,080.80

Finding the Fourth Proportional to 6,463.08, 9,696.60 and 2,080.80

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Solution

The fourth proportional to 6,463.08, 9,696.60 and 2,080.80 is: 3,121.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,463.08 : 9,696.60 = 2,080.80 : x
  2. Step 2: Convert to fraction form
    6,463.08/9,696.60 = 2,080.80/x
  3. Step 3: Cross multiply
    6,463.08x = 9,696.60 × 2,080.80
  4. Step 4: Simplify right side
    6,463.08x = 20,176,685.28
  5. Step 5: Solve for x
    x = 20,176,685.28/6,463.08
  6. Step 6: Final answer
    x = 3,121.84

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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.