Home / 5,410.46-8,114.47-2,485.96

Finding the Fourth Proportional to 5,410.46, 8,114.47 and 2,485.96

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Solution

The fourth proportional to 5,410.46, 8,114.47 and 2,485.96 is: 3,728.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.46 : 8,114.47 = 2,485.96 : x
  2. Step 2: Convert to fraction form
    5,410.46/8,114.47 = 2,485.96/x
  3. Step 3: Cross multiply
    5,410.46x = 8,114.47 × 2,485.96
  4. Step 4: Simplify right side
    5,410.46x = 20,172,221.34
  5. Step 5: Solve for x
    x = 20,172,221.34/5,410.46
  6. Step 6: Final answer
    x = 3,728.37

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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.