Home / 6,745.05-9,308.87-4,057.15

Finding the Fourth Proportional to 6,745.05, 9,308.87 and 4,057.15

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Solution

The fourth proportional to 6,745.05, 9,308.87 and 4,057.15 is: 5,599.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,745.05 : 9,308.87 = 4,057.15 : x
  2. Step 2: Convert to fraction form
    6,745.05/9,308.87 = 4,057.15/x
  3. Step 3: Cross multiply
    6,745.05x = 9,308.87 × 4,057.15
  4. Step 4: Simplify right side
    6,745.05x = 37,767,481.92
  5. Step 5: Solve for x
    x = 37,767,481.92/6,745.05
  6. Step 6: Final answer
    x = 5,599.29

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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.