Home / 7,324.78-10,987.68-3,626.01

Finding the Fourth Proportional to 7,324.78, 10,987.68 and 3,626.01

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Solution

The fourth proportional to 7,324.78, 10,987.68 and 3,626.01 is: 5,439.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.78 : 10,987.68 = 3,626.01 : x
  2. Step 2: Convert to fraction form
    7,324.78/10,987.68 = 3,626.01/x
  3. Step 3: Cross multiply
    7,324.78x = 10,987.68 × 3,626.01
  4. Step 4: Simplify right side
    7,324.78x = 39,841,436.01
  5. Step 5: Solve for x
    x = 39,841,436.01/7,324.78
  6. Step 6: Final answer
    x = 5,439.27

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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.