Home / 6,519.29-8,996.75-3,865.73

Finding the Fourth Proportional to 6,519.29, 8,996.75 and 3,865.73

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Solution

The fourth proportional to 6,519.29, 8,996.75 and 3,865.73 is: 5,334.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.29 : 8,996.75 = 3,865.73 : x
  2. Step 2: Convert to fraction form
    6,519.29/8,996.75 = 3,865.73/x
  3. Step 3: Cross multiply
    6,519.29x = 8,996.75 × 3,865.73
  4. Step 4: Simplify right side
    6,519.29x = 34,778,942.07
  5. Step 5: Solve for x
    x = 34,778,942.07/6,519.29
  6. Step 6: Final answer
    x = 5,334.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.