Home / 4,078.36-6,115.83-1,266.85

Finding the Fourth Proportional to 4,078.36, 6,115.83 and 1,266.85

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Solution

The fourth proportional to 4,078.36, 6,115.83 and 1,266.85 is: 1,899.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.36 : 6,115.83 = 1,266.85 : x
  2. Step 2: Convert to fraction form
    4,078.36/6,115.83 = 1,266.85/x
  3. Step 3: Cross multiply
    4,078.36x = 6,115.83 × 1,266.85
  4. Step 4: Simplify right side
    4,078.36x = 7,747,839.24
  5. Step 5: Solve for x
    x = 7,747,839.24/4,078.36
  6. Step 6: Final answer
    x = 1,899.74

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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.