Home / 8,413.05-12,621.12-2,866.11

Finding the Fourth Proportional to 8,413.05, 12,621.12 and 2,866.11

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Solution

The fourth proportional to 8,413.05, 12,621.12 and 2,866.11 is: 4,299.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.05 : 12,621.12 = 2,866.11 : x
  2. Step 2: Convert to fraction form
    8,413.05/12,621.12 = 2,866.11/x
  3. Step 3: Cross multiply
    8,413.05x = 12,621.12 × 2,866.11
  4. Step 4: Simplify right side
    8,413.05x = 36,173,518.24
  5. Step 5: Solve for x
    x = 36,173,518.24/8,413.05
  6. Step 6: Final answer
    x = 4,299.69

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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.