Home / 7,914.96-11,869.56-2,982.06

Finding the Fourth Proportional to 7,914.96, 11,869.56 and 2,982.06

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Solution

The fourth proportional to 7,914.96, 11,869.56 and 2,982.06 is: 4,472.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.96 : 11,869.56 = 2,982.06 : x
  2. Step 2: Convert to fraction form
    7,914.96/11,869.56 = 2,982.06/x
  3. Step 3: Cross multiply
    7,914.96x = 11,869.56 × 2,982.06
  4. Step 4: Simplify right side
    7,914.96x = 35,395,740.09
  5. Step 5: Solve for x
    x = 35,395,740.09/7,914.96
  6. Step 6: Final answer
    x = 4,472.00

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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.