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Finding the Fourth Proportional to 6,605.28, 9,907.28 and 2,222.76

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Solution

The fourth proportional to 6,605.28, 9,907.28 and 2,222.76 is: 3,333.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.28 : 9,907.28 = 2,222.76 : x
  2. Step 2: Convert to fraction form
    6,605.28/9,907.28 = 2,222.76/x
  3. Step 3: Cross multiply
    6,605.28x = 9,907.28 × 2,222.76
  4. Step 4: Simplify right side
    6,605.28x = 22,021,505.69
  5. Step 5: Solve for x
    x = 22,021,505.69/6,605.28
  6. Step 6: Final answer
    x = 3,333.92

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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.