Home / 4,768.38-7,150.13-1,994.30

Finding the Fourth Proportional to 4,768.38, 7,150.13 and 1,994.30

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Solution

The fourth proportional to 4,768.38, 7,150.13 and 1,994.30 is: 2,990.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,768.38 : 7,150.13 = 1,994.30 : x
  2. Step 2: Convert to fraction form
    4,768.38/7,150.13 = 1,994.30/x
  3. Step 3: Cross multiply
    4,768.38x = 7,150.13 × 1,994.30
  4. Step 4: Simplify right side
    4,768.38x = 14,259,504.26
  5. Step 5: Solve for x
    x = 14,259,504.26/4,768.38
  6. Step 6: Final answer
    x = 2,990.43

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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.