Home / 4,754.38-7,131.84-2,157.52

Finding the Fourth Proportional to 4,754.38, 7,131.84 and 2,157.52

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Solution

The fourth proportional to 4,754.38, 7,131.84 and 2,157.52 is: 3,236.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,754.38 : 7,131.84 = 2,157.52 : x
  2. Step 2: Convert to fraction form
    4,754.38/7,131.84 = 2,157.52/x
  3. Step 3: Cross multiply
    4,754.38x = 7,131.84 × 2,157.52
  4. Step 4: Simplify right side
    4,754.38x = 15,387,087.44
  5. Step 5: Solve for x
    x = 15,387,087.44/4,754.38
  6. Step 6: Final answer
    x = 3,236.40

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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.