Home / 4,940.67-7,411.38-1,653.78

Finding the Fourth Proportional to 4,940.67, 7,411.38 and 1,653.78

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Solution

The fourth proportional to 4,940.67, 7,411.38 and 1,653.78 is: 2,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.67 : 7,411.38 = 1,653.78 : x
  2. Step 2: Convert to fraction form
    4,940.67/7,411.38 = 1,653.78/x
  3. Step 3: Cross multiply
    4,940.67x = 7,411.38 × 1,653.78
  4. Step 4: Simplify right side
    4,940.67x = 12,256,792.02
  5. Step 5: Solve for x
    x = 12,256,792.02/4,940.67
  6. Step 6: Final answer
    x = 2,480.80

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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.