Home / 8,359.30-12,520.46-3,413.95

Finding the Fourth Proportional to 8,359.30, 12,520.46 and 3,413.95

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Solution

The fourth proportional to 8,359.30, 12,520.46 and 3,413.95 is: 5,113.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.30 : 12,520.46 = 3,413.95 : x
  2. Step 2: Convert to fraction form
    8,359.30/12,520.46 = 3,413.95/x
  3. Step 3: Cross multiply
    8,359.30x = 12,520.46 × 3,413.95
  4. Step 4: Simplify right side
    8,359.30x = 42,744,161.81
  5. Step 5: Solve for x
    x = 42,744,161.81/8,359.30
  6. Step 6: Final answer
    x = 5,113.37

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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.