Home / 5,915.05-8,876-2,219.85

Finding the Fourth Proportional to 5,915.05, 8,876 and 2,219.85

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Solution

The fourth proportional to 5,915.05, 8,876 and 2,219.85 is: 3,331.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.05 : 8,876 = 2,219.85 : x
  2. Step 2: Convert to fraction form
    5,915.05/8,876 = 2,219.85/x
  3. Step 3: Cross multiply
    5,915.05x = 8,876 × 2,219.85
  4. Step 4: Simplify right side
    5,915.05x = 19,703,388.60
  5. Step 5: Solve for x
    x = 19,703,388.60/5,915.05
  6. Step 6: Final answer
    x = 3,331.06

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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.