Home / 6,822.88-9,415.92-4,028.32

Finding the Fourth Proportional to 6,822.88, 9,415.92 and 4,028.32

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Solution

The fourth proportional to 6,822.88, 9,415.92 and 4,028.32 is: 5,559.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,822.88 : 9,415.92 = 4,028.32 : x
  2. Step 2: Convert to fraction form
    6,822.88/9,415.92 = 4,028.32/x
  3. Step 3: Cross multiply
    6,822.88x = 9,415.92 × 4,028.32
  4. Step 4: Simplify right side
    6,822.88x = 37,930,338.85
  5. Step 5: Solve for x
    x = 37,930,338.85/6,822.88
  6. Step 6: Final answer
    x = 5,559.29

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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.