Home / 4,945.52-6,829.45-3,180.20

Finding the Fourth Proportional to 4,945.52, 6,829.45 and 3,180.20

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Solution

The fourth proportional to 4,945.52, 6,829.45 and 3,180.20 is: 4,391.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.52 : 6,829.45 = 3,180.20 : x
  2. Step 2: Convert to fraction form
    4,945.52/6,829.45 = 3,180.20/x
  3. Step 3: Cross multiply
    4,945.52x = 6,829.45 × 3,180.20
  4. Step 4: Simplify right side
    4,945.52x = 21,718,974.79
  5. Step 5: Solve for x
    x = 21,718,974.79/4,945.52
  6. Step 6: Final answer
    x = 4,391.64

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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.