Home / 5,449.81-8,179.57-2,529.76

Finding the Fourth Proportional to 5,449.81, 8,179.57 and 2,529.76

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Solution

The fourth proportional to 5,449.81, 8,179.57 and 2,529.76 is: 3,796.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.81 : 8,179.57 = 2,529.76 : x
  2. Step 2: Convert to fraction form
    5,449.81/8,179.57 = 2,529.76/x
  3. Step 3: Cross multiply
    5,449.81x = 8,179.57 × 2,529.76
  4. Step 4: Simplify right side
    5,449.81x = 20,692,331.72
  5. Step 5: Solve for x
    x = 20,692,331.72/5,449.81
  6. Step 6: Final answer
    x = 3,796.89

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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.