Home / 6,728.04-10,087.48-3,438.42

Finding the Fourth Proportional to 6,728.04, 10,087.48 and 3,438.42

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Solution

The fourth proportional to 6,728.04, 10,087.48 and 3,438.42 is: 5,155.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728.04 : 10,087.48 = 3,438.42 : x
  2. Step 2: Convert to fraction form
    6,728.04/10,087.48 = 3,438.42/x
  3. Step 3: Cross multiply
    6,728.04x = 10,087.48 × 3,438.42
  4. Step 4: Simplify right side
    6,728.04x = 34,684,992.98
  5. Step 5: Solve for x
    x = 34,684,992.98/6,728.04
  6. Step 6: Final answer
    x = 5,155.29

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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.