Home / 6,745.07-9,310.44-3,913.11

Finding the Fourth Proportional to 6,745.07, 9,310.44 and 3,913.11

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Solution

The fourth proportional to 6,745.07, 9,310.44 and 3,913.11 is: 5,401.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,745.07 : 9,310.44 = 3,913.11 : x
  2. Step 2: Convert to fraction form
    6,745.07/9,310.44 = 3,913.11/x
  3. Step 3: Cross multiply
    6,745.07x = 9,310.44 × 3,913.11
  4. Step 4: Simplify right side
    6,745.07x = 36,432,790.54
  5. Step 5: Solve for x
    x = 36,432,790.54/6,745.07
  6. Step 6: Final answer
    x = 5,401.39

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1.5x scale

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.