Home / 4,839.56-6,678.55-2,743.69

Finding the Fourth Proportional to 4,839.56, 6,678.55 and 2,743.69

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Solution

The fourth proportional to 4,839.56, 6,678.55 and 2,743.69 is: 3,786.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.56 : 6,678.55 = 2,743.69 : x
  2. Step 2: Convert to fraction form
    4,839.56/6,678.55 = 2,743.69/x
  3. Step 3: Cross multiply
    4,839.56x = 6,678.55 × 2,743.69
  4. Step 4: Simplify right side
    4,839.56x = 18,323,870.85
  5. Step 5: Solve for x
    x = 18,323,870.85/4,839.56
  6. Step 6: Final answer
    x = 3,786.27

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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.