Home / 5,185.38-7,779.06-1,676.34

Finding the Fourth Proportional to 5,185.38, 7,779.06 and 1,676.34

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Solution

The fourth proportional to 5,185.38, 7,779.06 and 1,676.34 is: 2,514.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.38 : 7,779.06 = 1,676.34 : x
  2. Step 2: Convert to fraction form
    5,185.38/7,779.06 = 1,676.34/x
  3. Step 3: Cross multiply
    5,185.38x = 7,779.06 × 1,676.34
  4. Step 4: Simplify right side
    5,185.38x = 13,040,349.44
  5. Step 5: Solve for x
    x = 13,040,349.44/5,185.38
  6. Step 6: Final answer
    x = 2,514.83

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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.