Home / 6,144.32-8,479.26-3,349.82

Finding the Fourth Proportional to 6,144.32, 8,479.26 and 3,349.82

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Solution

The fourth proportional to 6,144.32, 8,479.26 and 3,349.82 is: 4,622.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,144.32 : 8,479.26 = 3,349.82 : x
  2. Step 2: Convert to fraction form
    6,144.32/8,479.26 = 3,349.82/x
  3. Step 3: Cross multiply
    6,144.32x = 8,479.26 × 3,349.82
  4. Step 4: Simplify right side
    6,144.32x = 28,403,994.73
  5. Step 5: Solve for x
    x = 28,403,994.73/6,144.32
  6. Step 6: Final answer
    x = 4,622.81

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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.