Home / 5,528.18-7,629.54-3,105.94

Finding the Fourth Proportional to 5,528.18, 7,629.54 and 3,105.94

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Solution

The fourth proportional to 5,528.18, 7,629.54 and 3,105.94 is: 4,286.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.18 : 7,629.54 = 3,105.94 : x
  2. Step 2: Convert to fraction form
    5,528.18/7,629.54 = 3,105.94/x
  3. Step 3: Cross multiply
    5,528.18x = 7,629.54 × 3,105.94
  4. Step 4: Simplify right side
    5,528.18x = 23,696,893.47
  5. Step 5: Solve for x
    x = 23,696,893.47/5,528.18
  6. Step 6: Final answer
    x = 4,286.56

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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.