Home / 5,619.13-8,433.55-2,158.81

Finding the Fourth Proportional to 5,619.13, 8,433.55 and 2,158.81

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Solution

The fourth proportional to 5,619.13, 8,433.55 and 2,158.81 is: 3,240.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.13 : 8,433.55 = 2,158.81 : x
  2. Step 2: Convert to fraction form
    5,619.13/8,433.55 = 2,158.81/x
  3. Step 3: Cross multiply
    5,619.13x = 8,433.55 × 2,158.81
  4. Step 4: Simplify right side
    5,619.13x = 18,206,413.69
  5. Step 5: Solve for x
    x = 18,206,413.69/5,619.13
  6. Step 6: Final answer
    x = 3,240.08

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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.