Home / 6,812.88-10,219.68-1,882.42

Finding the Fourth Proportional to 6,812.88, 10,219.68 and 1,882.42

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Solution

The fourth proportional to 6,812.88, 10,219.68 and 1,882.42 is: 2,823.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,812.88 : 10,219.68 = 1,882.42 : x
  2. Step 2: Convert to fraction form
    6,812.88/10,219.68 = 1,882.42/x
  3. Step 3: Cross multiply
    6,812.88x = 10,219.68 × 1,882.42
  4. Step 4: Simplify right side
    6,812.88x = 19,237,730.03
  5. Step 5: Solve for x
    x = 19,237,730.03/6,812.88
  6. Step 6: Final answer
    x = 2,823.73

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1.5x scale

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.