Home / 4,876.35-7,304.04-2,790.50

Finding the Fourth Proportional to 4,876.35, 7,304.04 and 2,790.50

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Solution

The fourth proportional to 4,876.35, 7,304.04 and 2,790.50 is: 4,179.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.35 : 7,304.04 = 2,790.50 : x
  2. Step 2: Convert to fraction form
    4,876.35/7,304.04 = 2,790.50/x
  3. Step 3: Cross multiply
    4,876.35x = 7,304.04 × 2,790.50
  4. Step 4: Simplify right side
    4,876.35x = 20,381,923.62
  5. Step 5: Solve for x
    x = 20,381,923.62/4,876.35
  6. Step 6: Final answer
    x = 4,179.75

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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.