Home / 4,413.18-6,618.74-1,292.53

Finding the Fourth Proportional to 4,413.18, 6,618.74 and 1,292.53

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Solution

The fourth proportional to 4,413.18, 6,618.74 and 1,292.53 is: 1,938.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,413.18 : 6,618.74 = 1,292.53 : x
  2. Step 2: Convert to fraction form
    4,413.18/6,618.74 = 1,292.53/x
  3. Step 3: Cross multiply
    4,413.18x = 6,618.74 × 1,292.53
  4. Step 4: Simplify right side
    4,413.18x = 8,554,920.01
  5. Step 5: Solve for x
    x = 8,554,920.01/4,413.18
  6. Step 6: Final answer
    x = 1,938.49

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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.