Home / 5,256.20-7,884.14-2,135.29

Finding the Fourth Proportional to 5,256.20, 7,884.14 and 2,135.29

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Solution

The fourth proportional to 5,256.20, 7,884.14 and 2,135.29 is: 3,202.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.20 : 7,884.14 = 2,135.29 : x
  2. Step 2: Convert to fraction form
    5,256.20/7,884.14 = 2,135.29/x
  3. Step 3: Cross multiply
    5,256.20x = 7,884.14 × 2,135.29
  4. Step 4: Simplify right side
    5,256.20x = 16,834,887.52
  5. Step 5: Solve for x
    x = 16,834,887.52/5,256.20
  6. Step 6: Final answer
    x = 3,202.86

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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.