Home / 4,908.47-6,776.19-3,786.89

Finding the Fourth Proportional to 4,908.47, 6,776.19 and 3,786.89

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Solution

The fourth proportional to 4,908.47, 6,776.19 and 3,786.89 is: 5,227.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.47 : 6,776.19 = 3,786.89 : x
  2. Step 2: Convert to fraction form
    4,908.47/6,776.19 = 3,786.89/x
  3. Step 3: Cross multiply
    4,908.47x = 6,776.19 × 3,786.89
  4. Step 4: Simplify right side
    4,908.47x = 25,660,652.27
  5. Step 5: Solve for x
    x = 25,660,652.27/4,908.47
  6. Step 6: Final answer
    x = 5,227.84

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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.