Home / 4,413.20-6,620.52-1,491.68

Finding the Fourth Proportional to 4,413.20, 6,620.52 and 1,491.68

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Solution

The fourth proportional to 4,413.20, 6,620.52 and 1,491.68 is: 2,237.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,413.20 : 6,620.52 = 1,491.68 : x
  2. Step 2: Convert to fraction form
    4,413.20/6,620.52 = 1,491.68/x
  3. Step 3: Cross multiply
    4,413.20x = 6,620.52 × 1,491.68
  4. Step 4: Simplify right side
    4,413.20x = 9,875,697.27
  5. Step 5: Solve for x
    x = 9,875,697.27/4,413.20
  6. Step 6: Final answer
    x = 2,237.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.