Home / 7,981.90-11,964.66-3,050.22

Finding the Fourth Proportional to 7,981.90, 11,964.66 and 3,050.22

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Solution

The fourth proportional to 7,981.90, 11,964.66 and 3,050.22 is: 4,572.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.90 : 11,964.66 = 3,050.22 : x
  2. Step 2: Convert to fraction form
    7,981.90/11,964.66 = 3,050.22/x
  3. Step 3: Cross multiply
    7,981.90x = 11,964.66 × 3,050.22
  4. Step 4: Simplify right side
    7,981.90x = 36,494,845.23
  5. Step 5: Solve for x
    x = 36,494,845.23/7,981.90
  6. Step 6: Final answer
    x = 4,572.20

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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.