Home / 7,874.86-11,810.66-3,489.52

Finding the Fourth Proportional to 7,874.86, 11,810.66 and 3,489.52

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Solution

The fourth proportional to 7,874.86, 11,810.66 and 3,489.52 is: 5,233.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,874.86 : 11,810.66 = 3,489.52 : x
  2. Step 2: Convert to fraction form
    7,874.86/11,810.66 = 3,489.52/x
  3. Step 3: Cross multiply
    7,874.86x = 11,810.66 × 3,489.52
  4. Step 4: Simplify right side
    7,874.86x = 41,213,475.23
  5. Step 5: Solve for x
    x = 41,213,475.23/7,874.86
  6. Step 6: Final answer
    x = 5,233.55

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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.