Home / 4,185.28-6,277.93-1,876.78

Finding the Fourth Proportional to 4,185.28, 6,277.93 and 1,876.78

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Solution

The fourth proportional to 4,185.28, 6,277.93 and 1,876.78 is: 2,815.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.28 : 6,277.93 = 1,876.78 : x
  2. Step 2: Convert to fraction form
    4,185.28/6,277.93 = 1,876.78/x
  3. Step 3: Cross multiply
    4,185.28x = 6,277.93 × 1,876.78
  4. Step 4: Simplify right side
    4,185.28x = 11,782,296.62
  5. Step 5: Solve for x
    x = 11,782,296.62/4,185.28
  6. Step 6: Final answer
    x = 2,815.17

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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.