Home / 11,228.56-16,842.78-2,907.87

Finding the Fourth Proportional to 11,228.56, 16,842.78 and 2,907.87

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Solution

The fourth proportional to 11,228.56, 16,842.78 and 2,907.87 is: 4,361.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.56 : 16,842.78 = 2,907.87 : x
  2. Step 2: Convert to fraction form
    11,228.56/16,842.78 = 2,907.87/x
  3. Step 3: Cross multiply
    11,228.56x = 16,842.78 × 2,907.87
  4. Step 4: Simplify right side
    11,228.56x = 48,976,562.42
  5. Step 5: Solve for x
    x = 48,976,562.42/11,228.56
  6. Step 6: Final answer
    x = 4,361.79

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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.