Home / 5,413.06-8,118.78-1,714.81

Finding the Fourth Proportional to 5,413.06, 8,118.78 and 1,714.81

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Solution

The fourth proportional to 5,413.06, 8,118.78 and 1,714.81 is: 2,571.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.06 : 8,118.78 = 1,714.81 : x
  2. Step 2: Convert to fraction form
    5,413.06/8,118.78 = 1,714.81/x
  3. Step 3: Cross multiply
    5,413.06x = 8,118.78 × 1,714.81
  4. Step 4: Simplify right side
    5,413.06x = 13,922,165.13
  5. Step 5: Solve for x
    x = 13,922,165.13/5,413.06
  6. Step 6: Final answer
    x = 2,571.96

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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.