Home / 6,091.21-8,405.76-3,438.91

Finding the Fourth Proportional to 6,091.21, 8,405.76 and 3,438.91

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Solution

The fourth proportional to 6,091.21, 8,405.76 and 3,438.91 is: 4,745.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,091.21 : 8,405.76 = 3,438.91 : x
  2. Step 2: Convert to fraction form
    6,091.21/8,405.76 = 3,438.91/x
  3. Step 3: Cross multiply
    6,091.21x = 8,405.76 × 3,438.91
  4. Step 4: Simplify right side
    6,091.21x = 28,906,652.12
  5. Step 5: Solve for x
    x = 28,906,652.12/6,091.21
  6. Step 6: Final answer
    x = 4,745.63

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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.