Home / 6,728.12-10,079.46-3,808.52

Finding the Fourth Proportional to 6,728.12, 10,079.46 and 3,808.52

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Solution

The fourth proportional to 6,728.12, 10,079.46 and 3,808.52 is: 5,705.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728.12 : 10,079.46 = 3,808.52 : x
  2. Step 2: Convert to fraction form
    6,728.12/10,079.46 = 3,808.52/x
  3. Step 3: Cross multiply
    6,728.12x = 10,079.46 × 3,808.52
  4. Step 4: Simplify right side
    6,728.12x = 38,387,825.00
  5. Step 5: Solve for x
    x = 38,387,825.00/6,728.12
  6. Step 6: Final answer
    x = 5,705.58

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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.