Home / 6,813.32-10,205.62-3,118.66

Finding the Fourth Proportional to 6,813.32, 10,205.62 and 3,118.66

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Solution

The fourth proportional to 6,813.32, 10,205.62 and 3,118.66 is: 4,671.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813.32 : 10,205.62 = 3,118.66 : x
  2. Step 2: Convert to fraction form
    6,813.32/10,205.62 = 3,118.66/x
  3. Step 3: Cross multiply
    6,813.32x = 10,205.62 × 3,118.66
  4. Step 4: Simplify right side
    6,813.32x = 31,827,837.25
  5. Step 5: Solve for x
    x = 31,827,837.25/6,813.32
  6. Step 6: Final answer
    x = 4,671.41

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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.