Home / 7,020.82-10,526.03-3,318.73

Finding the Fourth Proportional to 7,020.82, 10,526.03 and 3,318.73

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Solution

The fourth proportional to 7,020.82, 10,526.03 and 3,318.73 is: 4,975.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.82 : 10,526.03 = 3,318.73 : x
  2. Step 2: Convert to fraction form
    7,020.82/10,526.03 = 3,318.73/x
  3. Step 3: Cross multiply
    7,020.82x = 10,526.03 × 3,318.73
  4. Step 4: Simplify right side
    7,020.82x = 34,933,051.54
  5. Step 5: Solve for x
    x = 34,933,051.54/7,020.82
  6. Step 6: Final answer
    x = 4,975.64

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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.