Home / 9,205.22-13,809.20-3,281.64

Finding the Fourth Proportional to 9,205.22, 13,809.20 and 3,281.64

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Solution

The fourth proportional to 9,205.22, 13,809.20 and 3,281.64 is: 4,922.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,205.22 : 13,809.20 = 3,281.64 : x
  2. Step 2: Convert to fraction form
    9,205.22/13,809.20 = 3,281.64/x
  3. Step 3: Cross multiply
    9,205.22x = 13,809.20 × 3,281.64
  4. Step 4: Simplify right side
    9,205.22x = 45,316,823.09
  5. Step 5: Solve for x
    x = 45,316,823.09/9,205.22
  6. Step 6: Final answer
    x = 4,922.95

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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.