Home / 5,914-8,161.42-3,821.77

Finding the Fourth Proportional to 5,914, 8,161.42 and 3,821.77

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Solution

The fourth proportional to 5,914, 8,161.42 and 3,821.77 is: 5,274.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,914 : 8,161.42 = 3,821.77 : x
  2. Step 2: Convert to fraction form
    5,914/8,161.42 = 3,821.77/x
  3. Step 3: Cross multiply
    5,914x = 8,161.42 × 3,821.77
  4. Step 4: Simplify right side
    5,914x = 31,191,070.11
  5. Step 5: Solve for x
    x = 31,191,070.11/5,914
  6. Step 6: Final answer
    x = 5,274.11

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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.