Home / 4,640.62-6,960.90-3,721.95

Finding the Fourth Proportional to 4,640.62, 6,960.90 and 3,721.95

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Solution

The fourth proportional to 4,640.62, 6,960.90 and 3,721.95 is: 5,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.62 : 6,960.90 = 3,721.95 : x
  2. Step 2: Convert to fraction form
    4,640.62/6,960.90 = 3,721.95/x
  3. Step 3: Cross multiply
    4,640.62x = 6,960.90 × 3,721.95
  4. Step 4: Simplify right side
    4,640.62x = 25,908,121.76
  5. Step 5: Solve for x
    x = 25,908,121.76/4,640.62
  6. Step 6: Final answer
    x = 5,582.90

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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.