Home / 4,757.20-7,133.88-1,679.44

Finding the Fourth Proportional to 4,757.20, 7,133.88 and 1,679.44

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Solution

The fourth proportional to 4,757.20, 7,133.88 and 1,679.44 is: 2,518.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,757.20 : 7,133.88 = 1,679.44 : x
  2. Step 2: Convert to fraction form
    4,757.20/7,133.88 = 1,679.44/x
  3. Step 3: Cross multiply
    4,757.20x = 7,133.88 × 1,679.44
  4. Step 4: Simplify right side
    4,757.20x = 11,980,923.43
  5. Step 5: Solve for x
    x = 11,980,923.43/4,757.20
  6. Step 6: Final answer
    x = 2,518.48

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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.