Home / 5,457.76-8,179.34-2,529.60

Finding the Fourth Proportional to 5,457.76, 8,179.34 and 2,529.60

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Solution

The fourth proportional to 5,457.76, 8,179.34 and 2,529.60 is: 3,791.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.76 : 8,179.34 = 2,529.60 : x
  2. Step 2: Convert to fraction form
    5,457.76/8,179.34 = 2,529.60/x
  3. Step 3: Cross multiply
    5,457.76x = 8,179.34 × 2,529.60
  4. Step 4: Simplify right side
    5,457.76x = 20,690,458.46
  5. Step 5: Solve for x
    x = 20,690,458.46/5,457.76
  6. Step 6: Final answer
    x = 3,791.02

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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.