Home / 5,410.28-8,114.19-2,485.77

Finding the Fourth Proportional to 5,410.28, 8,114.19 and 2,485.77

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Solution

The fourth proportional to 5,410.28, 8,114.19 and 2,485.77 is: 3,728.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.28 : 8,114.19 = 2,485.77 : x
  2. Step 2: Convert to fraction form
    5,410.28/8,114.19 = 2,485.77/x
  3. Step 3: Cross multiply
    5,410.28x = 8,114.19 × 2,485.77
  4. Step 4: Simplify right side
    5,410.28x = 20,170,010.08
  5. Step 5: Solve for x
    x = 20,170,010.08/5,410.28
  6. Step 6: Final answer
    x = 3,728.09

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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.