Home / 6,628.59-9,147.87-3,644.73

Finding the Fourth Proportional to 6,628.59, 9,147.87 and 3,644.73

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Solution

The fourth proportional to 6,628.59, 9,147.87 and 3,644.73 is: 5,029.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.59 : 9,147.87 = 3,644.73 : x
  2. Step 2: Convert to fraction form
    6,628.59/9,147.87 = 3,644.73/x
  3. Step 3: Cross multiply
    6,628.59x = 9,147.87 × 3,644.73
  4. Step 4: Simplify right side
    6,628.59x = 33,341,516.23
  5. Step 5: Solve for x
    x = 33,341,516.23/6,628.59
  6. Step 6: Final answer
    x = 5,029.96

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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.