Home / 6,111.21-9,170.46-2,215.11

Finding the Fourth Proportional to 6,111.21, 9,170.46 and 2,215.11

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Solution

The fourth proportional to 6,111.21, 9,170.46 and 2,215.11 is: 3,323.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,111.21 : 9,170.46 = 2,215.11 : x
  2. Step 2: Convert to fraction form
    6,111.21/9,170.46 = 2,215.11/x
  3. Step 3: Cross multiply
    6,111.21x = 9,170.46 × 2,215.11
  4. Step 4: Simplify right side
    6,111.21x = 20,313,577.65
  5. Step 5: Solve for x
    x = 20,313,577.65/6,111.21
  6. Step 6: Final answer
    x = 3,323.99

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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.