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Finding the Fourth Proportional to 4,968.24, 7,413.54 and 4,443.90

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Solution

The fourth proportional to 4,968.24, 7,413.54 and 4,443.90 is: 6,631.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968.24 : 7,413.54 = 4,443.90 : x
  2. Step 2: Convert to fraction form
    4,968.24/7,413.54 = 4,443.90/x
  3. Step 3: Cross multiply
    4,968.24x = 7,413.54 × 4,443.90
  4. Step 4: Simplify right side
    4,968.24x = 32,945,030.41
  5. Step 5: Solve for x
    x = 32,945,030.41/4,968.24
  6. Step 6: Final answer
    x = 6,631.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.