Home / 6,721.03-10,082-1,790.56

Finding the Fourth Proportional to 6,721.03, 10,082 and 1,790.56

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Solution

The fourth proportional to 6,721.03, 10,082 and 1,790.56 is: 2,685.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.03 : 10,082 = 1,790.56 : x
  2. Step 2: Convert to fraction form
    6,721.03/10,082 = 1,790.56/x
  3. Step 3: Cross multiply
    6,721.03x = 10,082 × 1,790.56
  4. Step 4: Simplify right side
    6,721.03x = 18,052,425.92
  5. Step 5: Solve for x
    x = 18,052,425.92/6,721.03
  6. Step 6: Final answer
    x = 2,685.96

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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.