Home / 4,478.58-6,183.52-2,800.80

Finding the Fourth Proportional to 4,478.58, 6,183.52 and 2,800.80

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Solution

The fourth proportional to 4,478.58, 6,183.52 and 2,800.80 is: 3,867.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.58 : 6,183.52 = 2,800.80 : x
  2. Step 2: Convert to fraction form
    4,478.58/6,183.52 = 2,800.80/x
  3. Step 3: Cross multiply
    4,478.58x = 6,183.52 × 2,800.80
  4. Step 4: Simplify right side
    4,478.58x = 17,318,795.81
  5. Step 5: Solve for x
    x = 17,318,795.81/4,478.58
  6. Step 6: Final answer
    x = 3,867.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.