Home / 6,720.19-9,273.42-3,735.92

Finding the Fourth Proportional to 6,720.19, 9,273.42 and 3,735.92

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Solution

The fourth proportional to 6,720.19, 9,273.42 and 3,735.92 is: 5,155.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.19 : 9,273.42 = 3,735.92 : x
  2. Step 2: Convert to fraction form
    6,720.19/9,273.42 = 3,735.92/x
  3. Step 3: Cross multiply
    6,720.19x = 9,273.42 × 3,735.92
  4. Step 4: Simplify right side
    6,720.19x = 34,644,778.43
  5. Step 5: Solve for x
    x = 34,644,778.43/6,720.19
  6. Step 6: Final answer
    x = 5,155.33

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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.