Home / 4,786.59-7,179.32-1,276.86

Finding the Fourth Proportional to 4,786.59, 7,179.32 and 1,276.86

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Solution

The fourth proportional to 4,786.59, 7,179.32 and 1,276.86 is: 1,915.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.59 : 7,179.32 = 1,276.86 : x
  2. Step 2: Convert to fraction form
    4,786.59/7,179.32 = 1,276.86/x
  3. Step 3: Cross multiply
    4,786.59x = 7,179.32 × 1,276.86
  4. Step 4: Simplify right side
    4,786.59x = 9,166,986.54
  5. Step 5: Solve for x
    x = 9,166,986.54/4,786.59
  6. Step 6: Final answer
    x = 1,915.14

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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.