Home / 5,424.33-8,136.50-1,676.19

Finding the Fourth Proportional to 5,424.33, 8,136.50 and 1,676.19

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Solution

The fourth proportional to 5,424.33, 8,136.50 and 1,676.19 is: 2,514.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.33 : 8,136.50 = 1,676.19 : x
  2. Step 2: Convert to fraction form
    5,424.33/8,136.50 = 1,676.19/x
  3. Step 3: Cross multiply
    5,424.33x = 8,136.50 × 1,676.19
  4. Step 4: Simplify right side
    5,424.33x = 13,638,319.94
  5. Step 5: Solve for x
    x = 13,638,319.94/5,424.33
  6. Step 6: Final answer
    x = 2,514.29

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Double scale
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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.