Home / 4,647.31-6,413.18-2,657.88

Finding the Fourth Proportional to 4,647.31, 6,413.18 and 2,657.88

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Solution

The fourth proportional to 4,647.31, 6,413.18 and 2,657.88 is: 3,667.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.31 : 6,413.18 = 2,657.88 : x
  2. Step 2: Convert to fraction form
    4,647.31/6,413.18 = 2,657.88/x
  3. Step 3: Cross multiply
    4,647.31x = 6,413.18 × 2,657.88
  4. Step 4: Simplify right side
    4,647.31x = 17,045,449.57
  5. Step 5: Solve for x
    x = 17,045,449.57/4,647.31
  6. Step 6: Final answer
    x = 3,667.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.