Home / 6,220.88-9,318.82-3,091.42

Finding the Fourth Proportional to 6,220.88, 9,318.82 and 3,091.42

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Solution

The fourth proportional to 6,220.88, 9,318.82 and 3,091.42 is: 4,630.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.88 : 9,318.82 = 3,091.42 : x
  2. Step 2: Convert to fraction form
    6,220.88/9,318.82 = 3,091.42/x
  3. Step 3: Cross multiply
    6,220.88x = 9,318.82 × 3,091.42
  4. Step 4: Simplify right side
    6,220.88x = 28,808,352.52
  5. Step 5: Solve for x
    x = 28,808,352.52/6,220.88
  6. Step 6: Final answer
    x = 4,630.91

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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.