Home / 6,813.15-10,213.25-3,885.81

Finding the Fourth Proportional to 6,813.15, 10,213.25 and 3,885.81

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Solution

The fourth proportional to 6,813.15, 10,213.25 and 3,885.81 is: 5,825.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813.15 : 10,213.25 = 3,885.81 : x
  2. Step 2: Convert to fraction form
    6,813.15/10,213.25 = 3,885.81/x
  3. Step 3: Cross multiply
    6,813.15x = 10,213.25 × 3,885.81
  4. Step 4: Simplify right side
    6,813.15x = 39,686,729.55
  5. Step 5: Solve for x
    x = 39,686,729.55/6,813.15
  6. Step 6: Final answer
    x = 5,825.02

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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.