Home / 4,413.28-6,619.92-2,097.76

Finding the Fourth Proportional to 4,413.28, 6,619.92 and 2,097.76

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Solution

The fourth proportional to 4,413.28, 6,619.92 and 2,097.76 is: 3,146.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,413.28 : 6,619.92 = 2,097.76 : x
  2. Step 2: Convert to fraction form
    4,413.28/6,619.92 = 2,097.76/x
  3. Step 3: Cross multiply
    4,413.28x = 6,619.92 × 2,097.76
  4. Step 4: Simplify right side
    4,413.28x = 13,887,003.38
  5. Step 5: Solve for x
    x = 13,887,003.38/4,413.28
  6. Step 6: Final answer
    x = 3,146.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.