Home / 7,981.10-11,971.43-2,434.22

Finding the Fourth Proportional to 7,981.10, 11,971.43 and 2,434.22

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Solution

The fourth proportional to 7,981.10, 11,971.43 and 2,434.22 is: 3,651.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.10 : 11,971.43 = 2,434.22 : x
  2. Step 2: Convert to fraction form
    7,981.10/11,971.43 = 2,434.22/x
  3. Step 3: Cross multiply
    7,981.10x = 11,971.43 × 2,434.22
  4. Step 4: Simplify right side
    7,981.10x = 29,141,076.33
  5. Step 5: Solve for x
    x = 29,141,076.33/7,981.10
  6. Step 6: Final answer
    x = 3,651.26

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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.