Home / 6,413.70-9,621.76-2,030.78

Finding the Fourth Proportional to 6,413.70, 9,621.76 and 2,030.78

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Solution

The fourth proportional to 6,413.70, 9,621.76 and 2,030.78 is: 3,046.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413.70 : 9,621.76 = 2,030.78 : x
  2. Step 2: Convert to fraction form
    6,413.70/9,621.76 = 2,030.78/x
  3. Step 3: Cross multiply
    6,413.70x = 9,621.76 × 2,030.78
  4. Step 4: Simplify right side
    6,413.70x = 19,539,677.77
  5. Step 5: Solve for x
    x = 19,539,677.77/6,413.70
  6. Step 6: Final answer
    x = 3,046.55

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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.