Home / 4,515.70-6,774.00-1,229.05

Finding the Fourth Proportional to 4,515.70, 6,774.00 and 1,229.05

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Solution

The fourth proportional to 4,515.70, 6,774.00 and 1,229.05 is: 1,843.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.70 : 6,774.00 = 1,229.05 : x
  2. Step 2: Convert to fraction form
    4,515.70/6,774.00 = 1,229.05/x
  3. Step 3: Cross multiply
    4,515.70x = 6,774.00 × 1,229.05
  4. Step 4: Simplify right side
    4,515.70x = 8,325,579.88
  5. Step 5: Solve for x
    x = 8,325,579.88/4,515.70
  6. Step 6: Final answer
    x = 1,843.70

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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.