Home / 6,270.92-8,653.96-3,438.55

Finding the Fourth Proportional to 6,270.92, 8,653.96 and 3,438.55

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Solution

The fourth proportional to 6,270.92, 8,653.96 and 3,438.55 is: 4,745.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,270.92 : 8,653.96 = 3,438.55 : x
  2. Step 2: Convert to fraction form
    6,270.92/8,653.96 = 3,438.55/x
  3. Step 3: Cross multiply
    6,270.92x = 8,653.96 × 3,438.55
  4. Step 4: Simplify right side
    6,270.92x = 29,757,052.52
  5. Step 5: Solve for x
    x = 29,757,052.52/6,270.92
  6. Step 6: Final answer
    x = 4,745.25

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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.