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Finding the Fourth Proportional to 6,628.07, 9,942.14 and 2,245.57

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Solution

The fourth proportional to 6,628.07, 9,942.14 and 2,245.57 is: 3,368.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.07 : 9,942.14 = 2,245.57 : x
  2. Step 2: Convert to fraction form
    6,628.07/9,942.14 = 2,245.57/x
  3. Step 3: Cross multiply
    6,628.07x = 9,942.14 × 2,245.57
  4. Step 4: Simplify right side
    6,628.07x = 22,325,752.08
  5. Step 5: Solve for x
    x = 22,325,752.08/6,628.07
  6. Step 6: Final answer
    x = 3,368.36

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Similar ratio
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1.5x scale

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.