Home / 6,778.20-9,350.76-4,388.94

Finding the Fourth Proportional to 6,778.20, 9,350.76 and 4,388.94

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Solution

The fourth proportional to 6,778.20, 9,350.76 and 4,388.94 is: 6,054.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.20 : 9,350.76 = 4,388.94 : x
  2. Step 2: Convert to fraction form
    6,778.20/9,350.76 = 4,388.94/x
  3. Step 3: Cross multiply
    6,778.20x = 9,350.76 × 4,388.94
  4. Step 4: Simplify right side
    6,778.20x = 41,039,924.59
  5. Step 5: Solve for x
    x = 41,039,924.59/6,778.20
  6. Step 6: Final answer
    x = 6,054.69

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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.