Home / 4,640.39-6,960.94-1,718.72

Finding the Fourth Proportional to 4,640.39, 6,960.94 and 1,718.72

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Solution

The fourth proportional to 4,640.39, 6,960.94 and 1,718.72 is: 2,578.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.39 : 6,960.94 = 1,718.72 : x
  2. Step 2: Convert to fraction form
    4,640.39/6,960.94 = 1,718.72/x
  3. Step 3: Cross multiply
    4,640.39x = 6,960.94 × 1,718.72
  4. Step 4: Simplify right side
    4,640.39x = 11,963,893.80
  5. Step 5: Solve for x
    x = 11,963,893.80/4,640.39
  6. Step 6: Final answer
    x = 2,578.21

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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.