Home / 6,729.33-9,285.48-3,745.20

Finding the Fourth Proportional to 6,729.33, 9,285.48 and 3,745.20

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Solution

The fourth proportional to 6,729.33, 9,285.48 and 3,745.20 is: 5,167.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,729.33 : 9,285.48 = 3,745.20 : x
  2. Step 2: Convert to fraction form
    6,729.33/9,285.48 = 3,745.20/x
  3. Step 3: Cross multiply
    6,729.33x = 9,285.48 × 3,745.20
  4. Step 4: Simplify right side
    6,729.33x = 34,775,979.70
  5. Step 5: Solve for x
    x = 34,775,979.70/6,729.33
  6. Step 6: Final answer
    x = 5,167.82

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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.