Home / 5,676.90-8,506.68-2,388.19

Finding the Fourth Proportional to 5,676.90, 8,506.68 and 2,388.19

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Solution

The fourth proportional to 5,676.90, 8,506.68 and 2,388.19 is: 3,578.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.90 : 8,506.68 = 2,388.19 : x
  2. Step 2: Convert to fraction form
    5,676.90/8,506.68 = 2,388.19/x
  3. Step 3: Cross multiply
    5,676.90x = 8,506.68 × 2,388.19
  4. Step 4: Simplify right side
    5,676.90x = 20,315,556.17
  5. Step 5: Solve for x
    x = 20,315,556.17/5,676.90
  6. Step 6: Final answer
    x = 3,578.64

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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.