Home / 7,676.17-11,511.37-3,513.27

Finding the Fourth Proportional to 7,676.17, 11,511.37 and 3,513.27

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Solution

The fourth proportional to 7,676.17, 11,511.37 and 3,513.27 is: 5,268.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,676.17 : 11,511.37 = 3,513.27 : x
  2. Step 2: Convert to fraction form
    7,676.17/11,511.37 = 3,513.27/x
  3. Step 3: Cross multiply
    7,676.17x = 11,511.37 × 3,513.27
  4. Step 4: Simplify right side
    7,676.17x = 40,442,578.68
  5. Step 5: Solve for x
    x = 40,442,578.68/7,676.17
  6. Step 6: Final answer
    x = 5,268.59

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1.5x scale

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.