Home / 4,876.35-7,302.79-2,790.03

Finding the Fourth Proportional to 4,876.35, 7,302.79 and 2,790.03

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Solution

The fourth proportional to 4,876.35, 7,302.79 and 2,790.03 is: 4,178.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.35 : 7,302.79 = 2,790.03 : x
  2. Step 2: Convert to fraction form
    4,876.35/7,302.79 = 2,790.03/x
  3. Step 3: Cross multiply
    4,876.35x = 7,302.79 × 2,790.03
  4. Step 4: Simplify right side
    4,876.35x = 20,375,003.18
  5. Step 5: Solve for x
    x = 20,375,003.18/4,876.35
  6. Step 6: Final answer
    x = 4,178.33

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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.