Home / 7,981.33-11,971.08-3,050.86

Finding the Fourth Proportional to 7,981.33, 11,971.08 and 3,050.86

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Solution

The fourth proportional to 7,981.33, 11,971.08 and 3,050.86 is: 4,575.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.33 : 11,971.08 = 3,050.86 : x
  2. Step 2: Convert to fraction form
    7,981.33/11,971.08 = 3,050.86/x
  3. Step 3: Cross multiply
    7,981.33x = 11,971.08 × 3,050.86
  4. Step 4: Simplify right side
    7,981.33x = 36,522,089.13
  5. Step 5: Solve for x
    x = 36,522,089.13/7,981.33
  6. Step 6: Final answer
    x = 4,575.94

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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.