Home / 4,183.12-6,274.98-1,261.45

Finding the Fourth Proportional to 4,183.12, 6,274.98 and 1,261.45

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Solution

The fourth proportional to 4,183.12, 6,274.98 and 1,261.45 is: 1,892.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,183.12 : 6,274.98 = 1,261.45 : x
  2. Step 2: Convert to fraction form
    4,183.12/6,274.98 = 1,261.45/x
  3. Step 3: Cross multiply
    4,183.12x = 6,274.98 × 1,261.45
  4. Step 4: Simplify right side
    4,183.12x = 7,915,573.52
  5. Step 5: Solve for x
    x = 7,915,573.52/4,183.12
  6. Step 6: Final answer
    x = 1,892.27

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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.