Home / 9,106.21-13,660.75-3,184.74

Finding the Fourth Proportional to 9,106.21, 13,660.75 and 3,184.74

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Solution

The fourth proportional to 9,106.21, 13,660.75 and 3,184.74 is: 4,777.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106.21 : 13,660.75 = 3,184.74 : x
  2. Step 2: Convert to fraction form
    9,106.21/13,660.75 = 3,184.74/x
  3. Step 3: Cross multiply
    9,106.21x = 13,660.75 × 3,184.74
  4. Step 4: Simplify right side
    9,106.21x = 43,505,868.65
  5. Step 5: Solve for x
    x = 43,505,868.65/9,106.21
  6. Step 6: Final answer
    x = 4,777.61

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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.