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Finding the Fourth Proportional to 5,448.56, 8,166.56 and 2,520.72

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Solution

The fourth proportional to 5,448.56, 8,166.56 and 2,520.72 is: 3,778.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.56 : 8,166.56 = 2,520.72 : x
  2. Step 2: Convert to fraction form
    5,448.56/8,166.56 = 2,520.72/x
  3. Step 3: Cross multiply
    5,448.56x = 8,166.56 × 2,520.72
  4. Step 4: Simplify right side
    5,448.56x = 20,585,611.12
  5. Step 5: Solve for x
    x = 20,585,611.12/5,448.56
  6. Step 6: Final answer
    x = 3,778.17

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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.