Home / 6,919.17-10,388.48-3,544.39

Finding the Fourth Proportional to 6,919.17, 10,388.48 and 3,544.39

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Solution

The fourth proportional to 6,919.17, 10,388.48 and 3,544.39 is: 5,321.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.17 : 10,388.48 = 3,544.39 : x
  2. Step 2: Convert to fraction form
    6,919.17/10,388.48 = 3,544.39/x
  3. Step 3: Cross multiply
    6,919.17x = 10,388.48 × 3,544.39
  4. Step 4: Simplify right side
    6,919.17x = 36,820,780.93
  5. Step 5: Solve for x
    x = 36,820,780.93/6,919.17
  6. Step 6: Final answer
    x = 5,321.56

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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.