Home / 4,131.63-6,198.14-1,357.70

Finding the Fourth Proportional to 4,131.63, 6,198.14 and 1,357.70

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Solution

The fourth proportional to 4,131.63, 6,198.14 and 1,357.70 is: 2,036.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.63 : 6,198.14 = 1,357.70 : x
  2. Step 2: Convert to fraction form
    4,131.63/6,198.14 = 1,357.70/x
  3. Step 3: Cross multiply
    4,131.63x = 6,198.14 × 1,357.70
  4. Step 4: Simplify right side
    4,131.63x = 8,415,176.90
  5. Step 5: Solve for x
    x = 8,415,176.90/4,131.63
  6. Step 6: Final answer
    x = 2,036.77

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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.