Home / 6,221.08-9,319.11-3,091.63

Finding the Fourth Proportional to 6,221.08, 9,319.11 and 3,091.63

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Solution

The fourth proportional to 6,221.08, 9,319.11 and 3,091.63 is: 4,631.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.08 : 9,319.11 = 3,091.63 : x
  2. Step 2: Convert to fraction form
    6,221.08/9,319.11 = 3,091.63/x
  3. Step 3: Cross multiply
    6,221.08x = 9,319.11 × 3,091.63
  4. Step 4: Simplify right side
    6,221.08x = 28,811,240.05
  5. Step 5: Solve for x
    x = 28,811,240.05/6,221.08
  6. Step 6: Final answer
    x = 4,631.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.