Home / 9,170.46-13,745.88-3,904.38

Finding the Fourth Proportional to 9,170.46, 13,745.88 and 3,904.38

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Solution

The fourth proportional to 9,170.46, 13,745.88 and 3,904.38 is: 5,852.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.46 : 13,745.88 = 3,904.38 : x
  2. Step 2: Convert to fraction form
    9,170.46/13,745.88 = 3,904.38/x
  3. Step 3: Cross multiply
    9,170.46x = 13,745.88 × 3,904.38
  4. Step 4: Simplify right side
    9,170.46x = 53,669,138.95
  5. Step 5: Solve for x
    x = 53,669,138.95/9,170.46
  6. Step 6: Final answer
    x = 5,852.39

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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.