Home / 4,396.72-6,594.36-1,318

Finding the Fourth Proportional to 4,396.72, 6,594.36 and 1,318

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Solution

The fourth proportional to 4,396.72, 6,594.36 and 1,318 is: 1,976.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,396.72 : 6,594.36 = 1,318 : x
  2. Step 2: Convert to fraction form
    4,396.72/6,594.36 = 1,318/x
  3. Step 3: Cross multiply
    4,396.72x = 6,594.36 × 1,318
  4. Step 4: Simplify right side
    4,396.72x = 8,691,366.48
  5. Step 5: Solve for x
    x = 8,691,366.48/4,396.72
  6. Step 6: Final answer
    x = 1,976.78

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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.