Home / 6,604.45-9,907.17-2,221.90

Finding the Fourth Proportional to 6,604.45, 9,907.17 and 2,221.90

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Solution

The fourth proportional to 6,604.45, 9,907.17 and 2,221.90 is: 3,333.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,604.45 : 9,907.17 = 2,221.90 : x
  2. Step 2: Convert to fraction form
    6,604.45/9,907.17 = 2,221.90/x
  3. Step 3: Cross multiply
    6,604.45x = 9,907.17 × 2,221.90
  4. Step 4: Simplify right side
    6,604.45x = 22,012,741.02
  5. Step 5: Solve for x
    x = 22,012,741.02/6,604.45
  6. Step 6: Final answer
    x = 3,333.02

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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.