Home / 4,007.89-6,011.38-1,086.43

Finding the Fourth Proportional to 4,007.89, 6,011.38 and 1,086.43

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Solution

The fourth proportional to 4,007.89, 6,011.38 and 1,086.43 is: 1,629.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,007.89 : 6,011.38 = 1,086.43 : x
  2. Step 2: Convert to fraction form
    4,007.89/6,011.38 = 1,086.43/x
  3. Step 3: Cross multiply
    4,007.89x = 6,011.38 × 1,086.43
  4. Step 4: Simplify right side
    4,007.89x = 6,530,943.57
  5. Step 5: Solve for x
    x = 6,530,943.57/4,007.89
  6. Step 6: Final answer
    x = 1,629.52

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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.