Home / 6,113.23-8,427.90-4,198.99

Finding the Fourth Proportional to 6,113.23, 8,427.90 and 4,198.99

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Solution

The fourth proportional to 6,113.23, 8,427.90 and 4,198.99 is: 5,788.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,113.23 : 8,427.90 = 4,198.99 : x
  2. Step 2: Convert to fraction form
    6,113.23/8,427.90 = 4,198.99/x
  3. Step 3: Cross multiply
    6,113.23x = 8,427.90 × 4,198.99
  4. Step 4: Simplify right side
    6,113.23x = 35,388,667.82
  5. Step 5: Solve for x
    x = 35,388,667.82/6,113.23
  6. Step 6: Final answer
    x = 5,788.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.