Home / 5,528.69-7,628.82-3,289.73

Finding the Fourth Proportional to 5,528.69, 7,628.82 and 3,289.73

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Solution

The fourth proportional to 5,528.69, 7,628.82 and 3,289.73 is: 4,539.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.69 : 7,628.82 = 3,289.73 : x
  2. Step 2: Convert to fraction form
    5,528.69/7,628.82 = 3,289.73/x
  3. Step 3: Cross multiply
    5,528.69x = 7,628.82 × 3,289.73
  4. Step 4: Simplify right side
    5,528.69x = 25,096,758.02
  5. Step 5: Solve for x
    x = 25,096,758.02/5,528.69
  6. Step 6: Final answer
    x = 4,539.37

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Half scale
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Double scale
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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.