Home / 6,413.28-9,620.40-2,030.96

Finding the Fourth Proportional to 6,413.28, 9,620.40 and 2,030.96

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Solution

The fourth proportional to 6,413.28, 9,620.40 and 2,030.96 is: 3,046.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413.28 : 9,620.40 = 2,030.96 : x
  2. Step 2: Convert to fraction form
    6,413.28/9,620.40 = 2,030.96/x
  3. Step 3: Cross multiply
    6,413.28x = 9,620.40 × 2,030.96
  4. Step 4: Simplify right side
    6,413.28x = 19,538,647.58
  5. Step 5: Solve for x
    x = 19,538,647.58/6,413.28
  6. Step 6: Final answer
    x = 3,046.59

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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.