Home / 5,200.12-7,176.09-2,842.27

Finding the Fourth Proportional to 5,200.12, 7,176.09 and 2,842.27

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Solution

The fourth proportional to 5,200.12, 7,176.09 and 2,842.27 is: 3,922.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.12 : 7,176.09 = 2,842.27 : x
  2. Step 2: Convert to fraction form
    5,200.12/7,176.09 = 2,842.27/x
  3. Step 3: Cross multiply
    5,200.12x = 7,176.09 × 2,842.27
  4. Step 4: Simplify right side
    5,200.12x = 20,396,385.32
  5. Step 5: Solve for x
    x = 20,396,385.32/5,200.12
  6. Step 6: Final answer
    x = 3,922.29

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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.