Home / 7,419.25-11,112.69-3,715.01

Finding the Fourth Proportional to 7,419.25, 11,112.69 and 3,715.01

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Solution

The fourth proportional to 7,419.25, 11,112.69 and 3,715.01 is: 5,564.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.25 : 11,112.69 = 3,715.01 : x
  2. Step 2: Convert to fraction form
    7,419.25/11,112.69 = 3,715.01/x
  3. Step 3: Cross multiply
    7,419.25x = 11,112.69 × 3,715.01
  4. Step 4: Simplify right side
    7,419.25x = 41,283,817.03
  5. Step 5: Solve for x
    x = 41,283,817.03/7,419.25
  6. Step 6: Final answer
    x = 5,564.42

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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.