Home / 6,378.28-8,804.41-3,726.54

Finding the Fourth Proportional to 6,378.28, 8,804.41 and 3,726.54

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Solution

The fourth proportional to 6,378.28, 8,804.41 and 3,726.54 is: 5,144.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.28 : 8,804.41 = 3,726.54 : x
  2. Step 2: Convert to fraction form
    6,378.28/8,804.41 = 3,726.54/x
  3. Step 3: Cross multiply
    6,378.28x = 8,804.41 × 3,726.54
  4. Step 4: Simplify right side
    6,378.28x = 32,809,976.73
  5. Step 5: Solve for x
    x = 32,809,976.73/6,378.28
  6. Step 6: Final answer
    x = 5,144.02

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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.