Home / 9,078.99-13,621.22-3,234.84

Finding the Fourth Proportional to 9,078.99, 13,621.22 and 3,234.84

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Solution

The fourth proportional to 9,078.99, 13,621.22 and 3,234.84 is: 4,853.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.99 : 13,621.22 = 3,234.84 : x
  2. Step 2: Convert to fraction form
    9,078.99/13,621.22 = 3,234.84/x
  3. Step 3: Cross multiply
    9,078.99x = 13,621.22 × 3,234.84
  4. Step 4: Simplify right side
    9,078.99x = 44,062,467.30
  5. Step 5: Solve for x
    x = 44,062,467.30/9,078.99
  6. Step 6: Final answer
    x = 4,853.23

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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.