Home / 5,812.29-8,021.84-3,926.61

Finding the Fourth Proportional to 5,812.29, 8,021.84 and 3,926.61

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Solution

The fourth proportional to 5,812.29, 8,021.84 and 3,926.61 is: 5,419.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.29 : 8,021.84 = 3,926.61 : x
  2. Step 2: Convert to fraction form
    5,812.29/8,021.84 = 3,926.61/x
  3. Step 3: Cross multiply
    5,812.29x = 8,021.84 × 3,926.61
  4. Step 4: Simplify right side
    5,812.29x = 31,498,617.53
  5. Step 5: Solve for x
    x = 31,498,617.53/5,812.29
  6. Step 6: Final answer
    x = 5,419.31

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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.