Home / 5,331.78-7,996.56-1,819.87

Finding the Fourth Proportional to 5,331.78, 7,996.56 and 1,819.87

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Solution

The fourth proportional to 5,331.78, 7,996.56 and 1,819.87 is: 2,729.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.78 : 7,996.56 = 1,819.87 : x
  2. Step 2: Convert to fraction form
    5,331.78/7,996.56 = 1,819.87/x
  3. Step 3: Cross multiply
    5,331.78x = 7,996.56 × 1,819.87
  4. Step 4: Simplify right side
    5,331.78x = 14,552,699.65
  5. Step 5: Solve for x
    x = 14,552,699.65/5,331.78
  6. Step 6: Final answer
    x = 2,729.43

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1.5x scale

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.