Home / 5,186.24-7,157.05-2,828.37

Finding the Fourth Proportional to 5,186.24, 7,157.05 and 2,828.37

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Solution

The fourth proportional to 5,186.24, 7,157.05 and 2,828.37 is: 3,903.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.24 : 7,157.05 = 2,828.37 : x
  2. Step 2: Convert to fraction form
    5,186.24/7,157.05 = 2,828.37/x
  3. Step 3: Cross multiply
    5,186.24x = 7,157.05 × 2,828.37
  4. Step 4: Simplify right side
    5,186.24x = 20,242,778.44
  5. Step 5: Solve for x
    x = 20,242,778.44/5,186.24
  6. Step 6: Final answer
    x = 3,903.17

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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.