Home / 5,328.26-7,987.44-2,553.56

Finding the Fourth Proportional to 5,328.26, 7,987.44 and 2,553.56

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Solution

The fourth proportional to 5,328.26, 7,987.44 and 2,553.56 is: 3,827.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.26 : 7,987.44 = 2,553.56 : x
  2. Step 2: Convert to fraction form
    5,328.26/7,987.44 = 2,553.56/x
  3. Step 3: Cross multiply
    5,328.26x = 7,987.44 × 2,553.56
  4. Step 4: Simplify right side
    5,328.26x = 20,396,407.29
  5. Step 5: Solve for x
    x = 20,396,407.29/5,328.26
  6. Step 6: Final answer
    x = 3,827.97

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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.