Home / 4,640.14-6,960.21-2,174.50

Finding the Fourth Proportional to 4,640.14, 6,960.21 and 2,174.50

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Solution

The fourth proportional to 4,640.14, 6,960.21 and 2,174.50 is: 3,261.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.14 : 6,960.21 = 2,174.50 : x
  2. Step 2: Convert to fraction form
    4,640.14/6,960.21 = 2,174.50/x
  3. Step 3: Cross multiply
    4,640.14x = 6,960.21 × 2,174.50
  4. Step 4: Simplify right side
    4,640.14x = 15,134,976.65
  5. Step 5: Solve for x
    x = 15,134,976.65/4,640.14
  6. Step 6: Final answer
    x = 3,261.75

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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.