Home / 5,871.23-8,102.33-3,218.69

Finding the Fourth Proportional to 5,871.23, 8,102.33 and 3,218.69

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Solution

The fourth proportional to 5,871.23, 8,102.33 and 3,218.69 is: 4,441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.23 : 8,102.33 = 3,218.69 : x
  2. Step 2: Convert to fraction form
    5,871.23/8,102.33 = 3,218.69/x
  3. Step 3: Cross multiply
    5,871.23x = 8,102.33 × 3,218.69
  4. Step 4: Simplify right side
    5,871.23x = 26,078,859.20
  5. Step 5: Solve for x
    x = 26,078,859.20/5,871.23
  6. Step 6: Final answer
    x = 4,441.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.