Home / 4,306.80-5,942.75-2,628.79

Finding the Fourth Proportional to 4,306.80, 5,942.75 and 2,628.79

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Solution

The fourth proportional to 4,306.80, 5,942.75 and 2,628.79 is: 3,627.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,306.80 : 5,942.75 = 2,628.79 : x
  2. Step 2: Convert to fraction form
    4,306.80/5,942.75 = 2,628.79/x
  3. Step 3: Cross multiply
    4,306.80x = 5,942.75 × 2,628.79
  4. Step 4: Simplify right side
    4,306.80x = 15,622,213.77
  5. Step 5: Solve for x
    x = 15,622,213.77/4,306.80
  6. Step 6: Final answer
    x = 3,627.33

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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.