Home / 6,221.55-9,335.31-3,880.96

Finding the Fourth Proportional to 6,221.55, 9,335.31 and 3,880.96

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Solution

The fourth proportional to 6,221.55, 9,335.31 and 3,880.96 is: 5,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.55 : 9,335.31 = 3,880.96 : x
  2. Step 2: Convert to fraction form
    6,221.55/9,335.31 = 3,880.96/x
  3. Step 3: Cross multiply
    6,221.55x = 9,335.31 × 3,880.96
  4. Step 4: Simplify right side
    6,221.55x = 36,229,964.70
  5. Step 5: Solve for x
    x = 36,229,964.70/6,221.55
  6. Step 6: Final answer
    x = 5,823.30

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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.