Home / 8,413.17-12,621.37-2,866.83

Finding the Fourth Proportional to 8,413.17, 12,621.37 and 2,866.83

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Solution

The fourth proportional to 8,413.17, 12,621.37 and 2,866.83 is: 4,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.17 : 12,621.37 = 2,866.83 : x
  2. Step 2: Convert to fraction form
    8,413.17/12,621.37 = 2,866.83/x
  3. Step 3: Cross multiply
    8,413.17x = 12,621.37 × 2,866.83
  4. Step 4: Simplify right side
    8,413.17x = 36,183,322.16
  5. Step 5: Solve for x
    x = 36,183,322.16/8,413.17
  6. Step 6: Final answer
    x = 4,300.80

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1.5x scale

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.