Home / 5,871.33-8,102.45-3,218.81

Finding the Fourth Proportional to 5,871.33, 8,102.45 and 3,218.81

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Solution

The fourth proportional to 5,871.33, 8,102.45 and 3,218.81 is: 4,441.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.33 : 8,102.45 = 3,218.81 : x
  2. Step 2: Convert to fraction form
    5,871.33/8,102.45 = 3,218.81/x
  3. Step 3: Cross multiply
    5,871.33x = 8,102.45 × 3,218.81
  4. Step 4: Simplify right side
    5,871.33x = 26,080,190.48
  5. Step 5: Solve for x
    x = 26,080,190.48/5,871.33
  6. Step 6: Final answer
    x = 4,441.96

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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.