Home / 5,512.81-8,269.16-2,225.85

Finding the Fourth Proportional to 5,512.81, 8,269.16 and 2,225.85

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Solution

The fourth proportional to 5,512.81, 8,269.16 and 2,225.85 is: 3,338.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.81 : 8,269.16 = 2,225.85 : x
  2. Step 2: Convert to fraction form
    5,512.81/8,269.16 = 2,225.85/x
  3. Step 3: Cross multiply
    5,512.81x = 8,269.16 × 2,225.85
  4. Step 4: Simplify right side
    5,512.81x = 18,405,867.65
  5. Step 5: Solve for x
    x = 18,405,867.65/5,512.81
  6. Step 6: Final answer
    x = 3,338.75

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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.