Home / 4,919.32-6,793.26-3,153.99

Finding the Fourth Proportional to 4,919.32, 6,793.26 and 3,153.99

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Solution

The fourth proportional to 4,919.32, 6,793.26 and 3,153.99 is: 4,355.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.32 : 6,793.26 = 3,153.99 : x
  2. Step 2: Convert to fraction form
    4,919.32/6,793.26 = 3,153.99/x
  3. Step 3: Cross multiply
    4,919.32x = 6,793.26 × 3,153.99
  4. Step 4: Simplify right side
    4,919.32x = 21,425,874.11
  5. Step 5: Solve for x
    x = 21,425,874.11/4,919.32
  6. Step 6: Final answer
    x = 4,355.45

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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.