Home / 5,628.90-7,768.84-3,272.41

Finding the Fourth Proportional to 5,628.90, 7,768.84 and 3,272.41

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Solution

The fourth proportional to 5,628.90, 7,768.84 and 3,272.41 is: 4,516.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.90 : 7,768.84 = 3,272.41 : x
  2. Step 2: Convert to fraction form
    5,628.90/7,768.84 = 3,272.41/x
  3. Step 3: Cross multiply
    5,628.90x = 7,768.84 × 3,272.41
  4. Step 4: Simplify right side
    5,628.90x = 25,422,790.86
  5. Step 5: Solve for x
    x = 25,422,790.86/5,628.90
  6. Step 6: Final answer
    x = 4,516.48

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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.