Home / 5,179.44-7,768.89-1,892.19

Finding the Fourth Proportional to 5,179.44, 7,768.89 and 1,892.19

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Solution

The fourth proportional to 5,179.44, 7,768.89 and 1,892.19 is: 2,838.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.44 : 7,768.89 = 1,892.19 : x
  2. Step 2: Convert to fraction form
    5,179.44/7,768.89 = 1,892.19/x
  3. Step 3: Cross multiply
    5,179.44x = 7,768.89 × 1,892.19
  4. Step 4: Simplify right side
    5,179.44x = 14,700,215.97
  5. Step 5: Solve for x
    x = 14,700,215.97/5,179.44
  6. Step 6: Final answer
    x = 2,838.19

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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.