Home / 4,145.04-6,219.72-1,836

Finding the Fourth Proportional to 4,145.04, 6,219.72 and 1,836

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Solution

The fourth proportional to 4,145.04, 6,219.72 and 1,836 is: 2,754.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.04 : 6,219.72 = 1,836 : x
  2. Step 2: Convert to fraction form
    4,145.04/6,219.72 = 1,836/x
  3. Step 3: Cross multiply
    4,145.04x = 6,219.72 × 1,836
  4. Step 4: Simplify right side
    4,145.04x = 11,419,405.92
  5. Step 5: Solve for x
    x = 11,419,405.92/4,145.04
  6. Step 6: Final answer
    x = 2,754.96

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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.