Home / 4,764.58-7,148.58-2,131.87

Finding the Fourth Proportional to 4,764.58, 7,148.58 and 2,131.87

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Solution

The fourth proportional to 4,764.58, 7,148.58 and 2,131.87 is: 3,198.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,764.58 : 7,148.58 = 2,131.87 : x
  2. Step 2: Convert to fraction form
    4,764.58/7,148.58 = 2,131.87/x
  3. Step 3: Cross multiply
    4,764.58x = 7,148.58 × 2,131.87
  4. Step 4: Simplify right side
    4,764.58x = 15,239,843.24
  5. Step 5: Solve for x
    x = 15,239,843.24/4,764.58
  6. Step 6: Final answer
    x = 3,198.57

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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.