Home / 4,647.27-6,413.93-2,969.79

Finding the Fourth Proportional to 4,647.27, 6,413.93 and 2,969.79

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Solution

The fourth proportional to 4,647.27, 6,413.93 and 2,969.79 is: 4,098.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.27 : 6,413.93 = 2,969.79 : x
  2. Step 2: Convert to fraction form
    4,647.27/6,413.93 = 2,969.79/x
  3. Step 3: Cross multiply
    4,647.27x = 6,413.93 × 2,969.79
  4. Step 4: Simplify right side
    4,647.27x = 19,048,025.17
  5. Step 5: Solve for x
    x = 19,048,025.17/4,647.27
  6. Step 6: Final answer
    x = 4,098.76

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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.