Home / 4,413.16-6,618.96-1,639.18

Finding the Fourth Proportional to 4,413.16, 6,618.96 and 1,639.18

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Solution

The fourth proportional to 4,413.16, 6,618.96 and 1,639.18 is: 2,458.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,413.16 : 6,618.96 = 1,639.18 : x
  2. Step 2: Convert to fraction form
    4,413.16/6,618.96 = 1,639.18/x
  3. Step 3: Cross multiply
    4,413.16x = 6,618.96 × 1,639.18
  4. Step 4: Simplify right side
    4,413.16x = 10,849,666.85
  5. Step 5: Solve for x
    x = 10,849,666.85/4,413.16
  6. Step 6: Final answer
    x = 2,458.48

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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.