Home / 5,255.91-7,883.87-2,175.75

Finding the Fourth Proportional to 5,255.91, 7,883.87 and 2,175.75

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Solution

The fourth proportional to 5,255.91, 7,883.87 and 2,175.75 is: 3,263.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.91 : 7,883.87 = 2,175.75 : x
  2. Step 2: Convert to fraction form
    5,255.91/7,883.87 = 2,175.75/x
  3. Step 3: Cross multiply
    5,255.91x = 7,883.87 × 2,175.75
  4. Step 4: Simplify right side
    5,255.91x = 17,153,319.27
  5. Step 5: Solve for x
    x = 17,153,319.27/5,255.91
  6. Step 6: Final answer
    x = 3,263.63

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Similar ratio
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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.