Home / 6,091.48-8,406.21-3,439.75

Finding the Fourth Proportional to 6,091.48, 8,406.21 and 3,439.75

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Solution

The fourth proportional to 6,091.48, 8,406.21 and 3,439.75 is: 4,746.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,091.48 : 8,406.21 = 3,439.75 : x
  2. Step 2: Convert to fraction form
    6,091.48/8,406.21 = 3,439.75/x
  3. Step 3: Cross multiply
    6,091.48x = 8,406.21 × 3,439.75
  4. Step 4: Simplify right side
    6,091.48x = 28,915,260.85
  5. Step 5: Solve for x
    x = 28,915,260.85/6,091.48
  6. Step 6: Final answer
    x = 4,746.84

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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.