Home / 7,915.08-11,869.54-2,982.03

Finding the Fourth Proportional to 7,915.08, 11,869.54 and 2,982.03

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Solution

The fourth proportional to 7,915.08, 11,869.54 and 2,982.03 is: 4,471.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,915.08 : 11,869.54 = 2,982.03 : x
  2. Step 2: Convert to fraction form
    7,915.08/11,869.54 = 2,982.03/x
  3. Step 3: Cross multiply
    7,915.08x = 11,869.54 × 2,982.03
  4. Step 4: Simplify right side
    7,915.08x = 35,395,324.37
  5. Step 5: Solve for x
    x = 35,395,324.37/7,915.08
  6. Step 6: Final answer
    x = 4,471.88

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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.