Home / 4,757.96-7,139.99-2,568.20

Finding the Fourth Proportional to 4,757.96, 7,139.99 and 2,568.20

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Solution

The fourth proportional to 4,757.96, 7,139.99 and 2,568.20 is: 3,853.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,757.96 : 7,139.99 = 2,568.20 : x
  2. Step 2: Convert to fraction form
    4,757.96/7,139.99 = 2,568.20/x
  3. Step 3: Cross multiply
    4,757.96x = 7,139.99 × 2,568.20
  4. Step 4: Simplify right side
    4,757.96x = 18,336,873.78
  5. Step 5: Solve for x
    x = 18,336,873.78/4,757.96
  6. Step 6: Final answer
    x = 3,853.94

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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.