Home / 6,719.29-9,271.49-3,735.05

Finding the Fourth Proportional to 6,719.29, 9,271.49 and 3,735.05

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Solution

The fourth proportional to 6,719.29, 9,271.49 and 3,735.05 is: 5,153.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.29 : 9,271.49 = 3,735.05 : x
  2. Step 2: Convert to fraction form
    6,719.29/9,271.49 = 3,735.05/x
  3. Step 3: Cross multiply
    6,719.29x = 9,271.49 × 3,735.05
  4. Step 4: Simplify right side
    6,719.29x = 34,629,413.69
  5. Step 5: Solve for x
    x = 34,629,413.69/6,719.29
  6. Step 6: Final answer
    x = 5,153.73

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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.