Home / 5,645.74-8,481.58-3,983.69

Finding the Fourth Proportional to 5,645.74, 8,481.58 and 3,983.69

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Solution

The fourth proportional to 5,645.74, 8,481.58 and 3,983.69 is: 5,984.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.74 : 8,481.58 = 3,983.69 : x
  2. Step 2: Convert to fraction form
    5,645.74/8,481.58 = 3,983.69/x
  3. Step 3: Cross multiply
    5,645.74x = 8,481.58 × 3,983.69
  4. Step 4: Simplify right side
    5,645.74x = 33,787,933.06
  5. Step 5: Solve for x
    x = 33,787,933.06/5,645.74
  6. Step 6: Final answer
    x = 5,984.68

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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.