Home / 7,778.44-10,727.86-4,788.92

Finding the Fourth Proportional to 7,778.44, 10,727.86 and 4,788.92

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Solution

The fourth proportional to 7,778.44, 10,727.86 and 4,788.92 is: 6,604.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778.44 : 10,727.86 = 4,788.92 : x
  2. Step 2: Convert to fraction form
    7,778.44/10,727.86 = 4,788.92/x
  3. Step 3: Cross multiply
    7,778.44x = 10,727.86 × 4,788.92
  4. Step 4: Simplify right side
    7,778.44x = 51,374,863.31
  5. Step 5: Solve for x
    x = 51,374,863.31/7,778.44
  6. Step 6: Final answer
    x = 6,604.78

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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.