Home / 4,525.49-6,789.21-1,405.43

Finding the Fourth Proportional to 4,525.49, 6,789.21 and 1,405.43

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Solution

The fourth proportional to 4,525.49, 6,789.21 and 1,405.43 is: 2,108.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,525.49 : 6,789.21 = 1,405.43 : x
  2. Step 2: Convert to fraction form
    4,525.49/6,789.21 = 1,405.43/x
  3. Step 3: Cross multiply
    4,525.49x = 6,789.21 × 1,405.43
  4. Step 4: Simplify right side
    4,525.49x = 9,541,745.65
  5. Step 5: Solve for x
    x = 9,541,745.65/4,525.49
  6. Step 6: Final answer
    x = 2,108.44

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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.