Home / 4,279.31-6,413.67-2,424.81

Finding the Fourth Proportional to 4,279.31, 6,413.67 and 2,424.81

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Solution

The fourth proportional to 4,279.31, 6,413.67 and 2,424.81 is: 3,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.31 : 6,413.67 = 2,424.81 : x
  2. Step 2: Convert to fraction form
    4,279.31/6,413.67 = 2,424.81/x
  3. Step 3: Cross multiply
    4,279.31x = 6,413.67 × 2,424.81
  4. Step 4: Simplify right side
    4,279.31x = 15,551,886.96
  5. Step 5: Solve for x
    x = 15,551,886.96/4,279.31
  6. Step 6: Final answer
    x = 3,634.20

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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.