Home / 4,095.90-6,131.70-3,609.90

Finding the Fourth Proportional to 4,095.90, 6,131.70 and 3,609.90

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Solution

The fourth proportional to 4,095.90, 6,131.70 and 3,609.90 is: 5,404.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,095.90 : 6,131.70 = 3,609.90 : x
  2. Step 2: Convert to fraction form
    4,095.90/6,131.70 = 3,609.90/x
  3. Step 3: Cross multiply
    4,095.90x = 6,131.70 × 3,609.90
  4. Step 4: Simplify right side
    4,095.90x = 22,134,823.83
  5. Step 5: Solve for x
    x = 22,134,823.83/4,095.90
  6. Step 6: Final answer
    x = 5,404.14

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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.