Home / 5,239.37-7,858.96-2,119.34

Finding the Fourth Proportional to 5,239.37, 7,858.96 and 2,119.34

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Solution

The fourth proportional to 5,239.37, 7,858.96 and 2,119.34 is: 3,178.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.37 : 7,858.96 = 2,119.34 : x
  2. Step 2: Convert to fraction form
    5,239.37/7,858.96 = 2,119.34/x
  3. Step 3: Cross multiply
    5,239.37x = 7,858.96 × 2,119.34
  4. Step 4: Simplify right side
    5,239.37x = 16,655,797.69
  5. Step 5: Solve for x
    x = 16,655,797.69/5,239.37
  6. Step 6: Final answer
    x = 3,178.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.