Home / 7,949.09-11,915.53-3,565.37

Finding the Fourth Proportional to 7,949.09, 11,915.53 and 3,565.37

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Solution

The fourth proportional to 7,949.09, 11,915.53 and 3,565.37 is: 5,344.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.09 : 11,915.53 = 3,565.37 : x
  2. Step 2: Convert to fraction form
    7,949.09/11,915.53 = 3,565.37/x
  3. Step 3: Cross multiply
    7,949.09x = 11,915.53 × 3,565.37
  4. Step 4: Simplify right side
    7,949.09x = 42,483,273.20
  5. Step 5: Solve for x
    x = 42,483,273.20/7,949.09
  6. Step 6: Final answer
    x = 5,344.42

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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.