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Finding the Fourth Proportional to 6,775.85, 10,163.71 and 1,845.41

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Solution

The fourth proportional to 6,775.85, 10,163.71 and 1,845.41 is: 2,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,775.85 : 10,163.71 = 1,845.41 : x
  2. Step 2: Convert to fraction form
    6,775.85/10,163.71 = 1,845.41/x
  3. Step 3: Cross multiply
    6,775.85x = 10,163.71 × 1,845.41
  4. Step 4: Simplify right side
    6,775.85x = 18,756,212.07
  5. Step 5: Solve for x
    x = 18,756,212.07/6,775.85
  6. Step 6: Final answer
    x = 2,768.10

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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.