Home / 4,945.26-6,823.17-3,179.28

Finding the Fourth Proportional to 4,945.26, 6,823.17 and 3,179.28

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Solution

The fourth proportional to 4,945.26, 6,823.17 and 3,179.28 is: 4,386.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.26 : 6,823.17 = 3,179.28 : x
  2. Step 2: Convert to fraction form
    4,945.26/6,823.17 = 3,179.28/x
  3. Step 3: Cross multiply
    4,945.26x = 6,823.17 × 3,179.28
  4. Step 4: Simplify right side
    4,945.26x = 21,692,767.92
  5. Step 5: Solve for x
    x = 21,692,767.92/4,945.26
  6. Step 6: Final answer
    x = 4,386.58

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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.