Home / 6,919.58-10,385.56-3,223.90

Finding the Fourth Proportional to 6,919.58, 10,385.56 and 3,223.90

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Solution

The fourth proportional to 6,919.58, 10,385.56 and 3,223.90 is: 4,838.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.58 : 10,385.56 = 3,223.90 : x
  2. Step 2: Convert to fraction form
    6,919.58/10,385.56 = 3,223.90/x
  3. Step 3: Cross multiply
    6,919.58x = 10,385.56 × 3,223.90
  4. Step 4: Simplify right side
    6,919.58x = 33,482,006.88
  5. Step 5: Solve for x
    x = 33,482,006.88/6,919.58
  6. Step 6: Final answer
    x = 4,838.73

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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.