Home / 5,450.12-8,174.01-2,487.72

Finding the Fourth Proportional to 5,450.12, 8,174.01 and 2,487.72

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Solution

The fourth proportional to 5,450.12, 8,174.01 and 2,487.72 is: 3,731.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.12 : 8,174.01 = 2,487.72 : x
  2. Step 2: Convert to fraction form
    5,450.12/8,174.01 = 2,487.72/x
  3. Step 3: Cross multiply
    5,450.12x = 8,174.01 × 2,487.72
  4. Step 4: Simplify right side
    5,450.12x = 20,334,648.16
  5. Step 5: Solve for x
    x = 20,334,648.16/5,450.12
  6. Step 6: Final answer
    x = 3,731.05

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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.