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Finding the Fourth Proportional to 6,696.74, 10,043.07 and 2,015.50

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Solution

The fourth proportional to 6,696.74, 10,043.07 and 2,015.50 is: 3,022.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,696.74 : 10,043.07 = 2,015.50 : x
  2. Step 2: Convert to fraction form
    6,696.74/10,043.07 = 2,015.50/x
  3. Step 3: Cross multiply
    6,696.74x = 10,043.07 × 2,015.50
  4. Step 4: Simplify right side
    6,696.74x = 20,241,807.59
  5. Step 5: Solve for x
    x = 20,241,807.59/6,696.74
  6. Step 6: Final answer
    x = 3,022.64

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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.