Home / 7,205.21-10,809.09-3,310.01

Finding the Fourth Proportional to 7,205.21, 10,809.09 and 3,310.01

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Solution

The fourth proportional to 7,205.21, 10,809.09 and 3,310.01 is: 4,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,205.21 : 10,809.09 = 3,310.01 : x
  2. Step 2: Convert to fraction form
    7,205.21/10,809.09 = 3,310.01/x
  3. Step 3: Cross multiply
    7,205.21x = 10,809.09 × 3,310.01
  4. Step 4: Simplify right side
    7,205.21x = 35,778,195.99
  5. Step 5: Solve for x
    x = 35,778,195.99/7,205.21
  6. Step 6: Final answer
    x = 4,965.60

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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.