Home / 5,210.35-7,190.43-2,852.64

Finding the Fourth Proportional to 5,210.35, 7,190.43 and 2,852.64

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Solution

The fourth proportional to 5,210.35, 7,190.43 and 2,852.64 is: 3,936.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.35 : 7,190.43 = 2,852.64 : x
  2. Step 2: Convert to fraction form
    5,210.35/7,190.43 = 2,852.64/x
  3. Step 3: Cross multiply
    5,210.35x = 7,190.43 × 2,852.64
  4. Step 4: Simplify right side
    5,210.35x = 20,511,708.24
  5. Step 5: Solve for x
    x = 20,511,708.24/5,210.35
  6. Step 6: Final answer
    x = 3,936.73

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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.