Home / 5,049.72-7,564.32-2,419.68

Finding the Fourth Proportional to 5,049.72, 7,564.32 and 2,419.68

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Solution

The fourth proportional to 5,049.72, 7,564.32 and 2,419.68 is: 3,624.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.72 : 7,564.32 = 2,419.68 : x
  2. Step 2: Convert to fraction form
    5,049.72/7,564.32 = 2,419.68/x
  3. Step 3: Cross multiply
    5,049.72x = 7,564.32 × 2,419.68
  4. Step 4: Simplify right side
    5,049.72x = 18,303,233.82
  5. Step 5: Solve for x
    x = 18,303,233.82/5,049.72
  6. Step 6: Final answer
    x = 3,624.60

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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.