Home / 5,170.44-7,133.70-3,181.32

Finding the Fourth Proportional to 5,170.44, 7,133.70 and 3,181.32

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Solution

The fourth proportional to 5,170.44, 7,133.70 and 3,181.32 is: 4,389.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.44 : 7,133.70 = 3,181.32 : x
  2. Step 2: Convert to fraction form
    5,170.44/7,133.70 = 3,181.32/x
  3. Step 3: Cross multiply
    5,170.44x = 7,133.70 × 3,181.32
  4. Step 4: Simplify right side
    5,170.44x = 22,694,582.48
  5. Step 5: Solve for x
    x = 22,694,582.48/5,170.44
  6. Step 6: Final answer
    x = 4,389.29

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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.