Home / 6,813.14-10,205.34-3,118.48

Finding the Fourth Proportional to 6,813.14, 10,205.34 and 3,118.48

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Solution

The fourth proportional to 6,813.14, 10,205.34 and 3,118.48 is: 4,671.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813.14 : 10,205.34 = 3,118.48 : x
  2. Step 2: Convert to fraction form
    6,813.14/10,205.34 = 3,118.48/x
  3. Step 3: Cross multiply
    6,813.14x = 10,205.34 × 3,118.48
  4. Step 4: Simplify right side
    6,813.14x = 31,825,148.68
  5. Step 5: Solve for x
    x = 31,825,148.68/6,813.14
  6. Step 6: Final answer
    x = 4,671.14

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1.5x scale

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.