Home / 4,081.98-6,123.66-1,413.45

Finding the Fourth Proportional to 4,081.98, 6,123.66 and 1,413.45

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Solution

The fourth proportional to 4,081.98, 6,123.66 and 1,413.45 is: 2,120.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.98 : 6,123.66 = 1,413.45 : x
  2. Step 2: Convert to fraction form
    4,081.98/6,123.66 = 1,413.45/x
  3. Step 3: Cross multiply
    4,081.98x = 6,123.66 × 1,413.45
  4. Step 4: Simplify right side
    4,081.98x = 8,655,487.23
  5. Step 5: Solve for x
    x = 8,655,487.23/4,081.98
  6. Step 6: Final answer
    x = 2,120.41

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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.