Home / 5,169.25-7,133.57-2,930.41

Finding the Fourth Proportional to 5,169.25, 7,133.57 and 2,930.41

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Solution

The fourth proportional to 5,169.25, 7,133.57 and 2,930.41 is: 4,043.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.25 : 7,133.57 = 2,930.41 : x
  2. Step 2: Convert to fraction form
    5,169.25/7,133.57 = 2,930.41/x
  3. Step 3: Cross multiply
    5,169.25x = 7,133.57 × 2,930.41
  4. Step 4: Simplify right side
    5,169.25x = 20,904,284.86
  5. Step 5: Solve for x
    x = 20,904,284.86/5,169.25
  6. Step 6: Final answer
    x = 4,043.97

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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.