Home / 5,629.88-7,768.04-3,270.76

Finding the Fourth Proportional to 5,629.88, 7,768.04 and 3,270.76

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Solution

The fourth proportional to 5,629.88, 7,768.04 and 3,270.76 is: 4,512.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.88 : 7,768.04 = 3,270.76 : x
  2. Step 2: Convert to fraction form
    5,629.88/7,768.04 = 3,270.76/x
  3. Step 3: Cross multiply
    5,629.88x = 7,768.04 × 3,270.76
  4. Step 4: Simplify right side
    5,629.88x = 25,407,358.74
  5. Step 5: Solve for x
    x = 25,407,358.74/5,629.88
  6. Step 6: Final answer
    x = 4,512.95

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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.