Home / 6,798.12-10,186.20-3,878.52

Finding the Fourth Proportional to 6,798.12, 10,186.20 and 3,878.52

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Solution

The fourth proportional to 6,798.12, 10,186.20 and 3,878.52 is: 5,811.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,798.12 : 10,186.20 = 3,878.52 : x
  2. Step 2: Convert to fraction form
    6,798.12/10,186.20 = 3,878.52/x
  3. Step 3: Cross multiply
    6,798.12x = 10,186.20 × 3,878.52
  4. Step 4: Simplify right side
    6,798.12x = 39,507,380.42
  5. Step 5: Solve for x
    x = 39,507,380.42/6,798.12
  6. Step 6: Final answer
    x = 5,811.52

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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.