Home / 8,676.69-13,022.40-3,415.38

Finding the Fourth Proportional to 8,676.69, 13,022.40 and 3,415.38

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Solution

The fourth proportional to 8,676.69, 13,022.40 and 3,415.38 is: 5,125.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676.69 : 13,022.40 = 3,415.38 : x
  2. Step 2: Convert to fraction form
    8,676.69/13,022.40 = 3,415.38/x
  3. Step 3: Cross multiply
    8,676.69x = 13,022.40 × 3,415.38
  4. Step 4: Simplify right side
    8,676.69x = 44,476,444.51
  5. Step 5: Solve for x
    x = 44,476,444.51/8,676.69
  6. Step 6: Final answer
    x = 5,125.97

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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.