Home / 5,449.72-8,175.39-2,528.32

Finding the Fourth Proportional to 5,449.72, 8,175.39 and 2,528.32

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Solution

The fourth proportional to 5,449.72, 8,175.39 and 2,528.32 is: 3,792.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.72 : 8,175.39 = 2,528.32 : x
  2. Step 2: Convert to fraction form
    5,449.72/8,175.39 = 2,528.32/x
  3. Step 3: Cross multiply
    5,449.72x = 8,175.39 × 2,528.32
  4. Step 4: Simplify right side
    5,449.72x = 20,670,002.04
  5. Step 5: Solve for x
    x = 20,670,002.04/5,449.72
  6. Step 6: Final answer
    x = 3,792.86

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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.