Home / 8,032.20-12,048.30-3,859.50

Finding the Fourth Proportional to 8,032.20, 12,048.30 and 3,859.50

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Solution

The fourth proportional to 8,032.20, 12,048.30 and 3,859.50 is: 5,789.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,032.20 : 12,048.30 = 3,859.50 : x
  2. Step 2: Convert to fraction form
    8,032.20/12,048.30 = 3,859.50/x
  3. Step 3: Cross multiply
    8,032.20x = 12,048.30 × 3,859.50
  4. Step 4: Simplify right side
    8,032.20x = 46,500,413.85
  5. Step 5: Solve for x
    x = 46,500,413.85/8,032.20
  6. Step 6: Final answer
    x = 5,789.25

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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.