Home / 6,413.19-9,621-2,030.28

Finding the Fourth Proportional to 6,413.19, 9,621 and 2,030.28

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Solution

The fourth proportional to 6,413.19, 9,621 and 2,030.28 is: 3,045.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413.19 : 9,621 = 2,030.28 : x
  2. Step 2: Convert to fraction form
    6,413.19/9,621 = 2,030.28/x
  3. Step 3: Cross multiply
    6,413.19x = 9,621 × 2,030.28
  4. Step 4: Simplify right side
    6,413.19x = 19,533,323.88
  5. Step 5: Solve for x
    x = 19,533,323.88/6,413.19
  6. Step 6: Final answer
    x = 3,045.80

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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.