Home / 3,885.11-5,826.82-1,111.03

Finding the Fourth Proportional to 3,885.11, 5,826.82 and 1,111.03

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Solution

The fourth proportional to 3,885.11, 5,826.82 and 1,111.03 is: 1,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.11 : 5,826.82 = 1,111.03 : x
  2. Step 2: Convert to fraction form
    3,885.11/5,826.82 = 1,111.03/x
  3. Step 3: Cross multiply
    3,885.11x = 5,826.82 × 1,111.03
  4. Step 4: Simplify right side
    3,885.11x = 6,473,737.14
  5. Step 5: Solve for x
    x = 6,473,737.14/3,885.11
  6. Step 6: Final answer
    x = 1,666.30

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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.