Home / 5,039.52-7,554.96-2,119.92

Finding the Fourth Proportional to 5,039.52, 7,554.96 and 2,119.92

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Solution

The fourth proportional to 5,039.52, 7,554.96 and 2,119.92 is: 3,178.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.52 : 7,554.96 = 2,119.92 : x
  2. Step 2: Convert to fraction form
    5,039.52/7,554.96 = 2,119.92/x
  3. Step 3: Cross multiply
    5,039.52x = 7,554.96 × 2,119.92
  4. Step 4: Simplify right side
    5,039.52x = 16,015,910.80
  5. Step 5: Solve for x
    x = 16,015,910.80/5,039.52
  6. Step 6: Final answer
    x = 3,178.06

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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.