Home / 5,235.96-7,855.10-1,725.83

Finding the Fourth Proportional to 5,235.96, 7,855.10 and 1,725.83

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Solution

The fourth proportional to 5,235.96, 7,855.10 and 1,725.83 is: 2,589.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.96 : 7,855.10 = 1,725.83 : x
  2. Step 2: Convert to fraction form
    5,235.96/7,855.10 = 1,725.83/x
  3. Step 3: Cross multiply
    5,235.96x = 7,855.10 × 1,725.83
  4. Step 4: Simplify right side
    5,235.96x = 13,556,519.33
  5. Step 5: Solve for x
    x = 13,556,519.33/5,235.96
  6. Step 6: Final answer
    x = 2,589.12

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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.