Home / 7,986.23-11,981.10-2,440.01

Finding the Fourth Proportional to 7,986.23, 11,981.10 and 2,440.01

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Solution

The fourth proportional to 7,986.23, 11,981.10 and 2,440.01 is: 3,660.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986.23 : 11,981.10 = 2,440.01 : x
  2. Step 2: Convert to fraction form
    7,986.23/11,981.10 = 2,440.01/x
  3. Step 3: Cross multiply
    7,986.23x = 11,981.10 × 2,440.01
  4. Step 4: Simplify right side
    7,986.23x = 29,234,003.81
  5. Step 5: Solve for x
    x = 29,234,003.81/7,986.23
  6. Step 6: Final answer
    x = 3,660.55

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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.