Home / 4,450.80-6,139.80-2,771.76

Finding the Fourth Proportional to 4,450.80, 6,139.80 and 2,771.76

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Solution

The fourth proportional to 4,450.80, 6,139.80 and 2,771.76 is: 3,823.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,450.80 : 6,139.80 = 2,771.76 : x
  2. Step 2: Convert to fraction form
    4,450.80/6,139.80 = 2,771.76/x
  3. Step 3: Cross multiply
    4,450.80x = 6,139.80 × 2,771.76
  4. Step 4: Simplify right side
    4,450.80x = 17,018,052.05
  5. Step 5: Solve for x
    x = 17,018,052.05/4,450.80
  6. Step 6: Final answer
    x = 3,823.59

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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.