Home / 6,719.85-9,273.69-3,735.99

Finding the Fourth Proportional to 6,719.85, 9,273.69 and 3,735.99

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Solution

The fourth proportional to 6,719.85, 9,273.69 and 3,735.99 is: 5,155.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.85 : 9,273.69 = 3,735.99 : x
  2. Step 2: Convert to fraction form
    6,719.85/9,273.69 = 3,735.99/x
  3. Step 3: Cross multiply
    6,719.85x = 9,273.69 × 3,735.99
  4. Step 4: Simplify right side
    6,719.85x = 34,646,413.10
  5. Step 5: Solve for x
    x = 34,646,413.10/6,719.85
  6. Step 6: Final answer
    x = 5,155.83

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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.