Home / 6,769.80-10,156.32-2,819.82

Finding the Fourth Proportional to 6,769.80, 10,156.32 and 2,819.82

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Solution

The fourth proportional to 6,769.80, 10,156.32 and 2,819.82 is: 4,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,769.80 : 10,156.32 = 2,819.82 : x
  2. Step 2: Convert to fraction form
    6,769.80/10,156.32 = 2,819.82/x
  3. Step 3: Cross multiply
    6,769.80x = 10,156.32 × 2,819.82
  4. Step 4: Simplify right side
    6,769.80x = 28,638,994.26
  5. Step 5: Solve for x
    x = 28,638,994.26/6,769.80
  6. Step 6: Final answer
    x = 4,230.40

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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.