Home / 4,515.50-6,775.68-1,884.83

Finding the Fourth Proportional to 4,515.50, 6,775.68 and 1,884.83

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Solution

The fourth proportional to 4,515.50, 6,775.68 and 1,884.83 is: 2,828.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.50 : 6,775.68 = 1,884.83 : x
  2. Step 2: Convert to fraction form
    4,515.50/6,775.68 = 1,884.83/x
  3. Step 3: Cross multiply
    4,515.50x = 6,775.68 × 1,884.83
  4. Step 4: Simplify right side
    4,515.50x = 12,770,978.12
  5. Step 5: Solve for x
    x = 12,770,978.12/4,515.50
  6. Step 6: Final answer
    x = 2,828.25

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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.