Home / 4,043.62-6,065.46-1,121.92

Finding the Fourth Proportional to 4,043.62, 6,065.46 and 1,121.92

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Solution

The fourth proportional to 4,043.62, 6,065.46 and 1,121.92 is: 1,682.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,043.62 : 6,065.46 = 1,121.92 : x
  2. Step 2: Convert to fraction form
    4,043.62/6,065.46 = 1,121.92/x
  3. Step 3: Cross multiply
    4,043.62x = 6,065.46 × 1,121.92
  4. Step 4: Simplify right side
    4,043.62x = 6,804,960.88
  5. Step 5: Solve for x
    x = 6,804,960.88/4,043.62
  6. Step 6: Final answer
    x = 1,682.89

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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.