Home / 5,104.87-7,653.70-1,982.28

Finding the Fourth Proportional to 5,104.87, 7,653.70 and 1,982.28

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Solution

The fourth proportional to 5,104.87, 7,653.70 and 1,982.28 is: 2,972.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.87 : 7,653.70 = 1,982.28 : x
  2. Step 2: Convert to fraction form
    5,104.87/7,653.70 = 1,982.28/x
  3. Step 3: Cross multiply
    5,104.87x = 7,653.70 × 1,982.28
  4. Step 4: Simplify right side
    5,104.87x = 15,171,776.44
  5. Step 5: Solve for x
    x = 15,171,776.44/5,104.87
  6. Step 6: Final answer
    x = 2,972.02

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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.