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Finding the Fourth Proportional to 4,000.93, 5,966.38 and 3,782.56

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Solution

The fourth proportional to 4,000.93, 5,966.38 and 3,782.56 is: 5,640.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.93 : 5,966.38 = 3,782.56 : x
  2. Step 2: Convert to fraction form
    4,000.93/5,966.38 = 3,782.56/x
  3. Step 3: Cross multiply
    4,000.93x = 5,966.38 × 3,782.56
  4. Step 4: Simplify right side
    4,000.93x = 22,568,190.33
  5. Step 5: Solve for x
    x = 22,568,190.33/4,000.93
  6. Step 6: Final answer
    x = 5,640.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.