Home / 8,676.29-13,016.86-3,485.81

Finding the Fourth Proportional to 8,676.29, 13,016.86 and 3,485.81

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Solution

The fourth proportional to 8,676.29, 13,016.86 and 3,485.81 is: 5,229.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676.29 : 13,016.86 = 3,485.81 : x
  2. Step 2: Convert to fraction form
    8,676.29/13,016.86 = 3,485.81/x
  3. Step 3: Cross multiply
    8,676.29x = 13,016.86 × 3,485.81
  4. Step 4: Simplify right side
    8,676.29x = 45,374,226.96
  5. Step 5: Solve for x
    x = 45,374,226.96/8,676.29
  6. Step 6: Final answer
    x = 5,229.68

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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.