Home / 5,872.36-8,103.90-3,219.82

Finding the Fourth Proportional to 5,872.36, 8,103.90 and 3,219.82

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Solution

The fourth proportional to 5,872.36, 8,103.90 and 3,219.82 is: 4,443.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.36 : 8,103.90 = 3,219.82 : x
  2. Step 2: Convert to fraction form
    5,872.36/8,103.90 = 3,219.82/x
  3. Step 3: Cross multiply
    5,872.36x = 8,103.90 × 3,219.82
  4. Step 4: Simplify right side
    5,872.36x = 26,093,099.30
  5. Step 5: Solve for x
    x = 26,093,099.30/5,872.36
  6. Step 6: Final answer
    x = 4,443.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.