Home / 5,412.92-7,469.32-3,022.80

Finding the Fourth Proportional to 5,412.92, 7,469.32 and 3,022.80

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Solution

The fourth proportional to 5,412.92, 7,469.32 and 3,022.80 is: 4,171.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.92 : 7,469.32 = 3,022.80 : x
  2. Step 2: Convert to fraction form
    5,412.92/7,469.32 = 3,022.80/x
  3. Step 3: Cross multiply
    5,412.92x = 7,469.32 × 3,022.80
  4. Step 4: Simplify right side
    5,412.92x = 22,578,260.50
  5. Step 5: Solve for x
    x = 22,578,260.50/5,412.92
  6. Step 6: Final answer
    x = 4,171.18

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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.