Home / 5,256.45-7,884.72-2,135.52

Finding the Fourth Proportional to 5,256.45, 7,884.72 and 2,135.52

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Solution

The fourth proportional to 5,256.45, 7,884.72 and 2,135.52 is: 3,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.45 : 7,884.72 = 2,135.52 : x
  2. Step 2: Convert to fraction form
    5,256.45/7,884.72 = 2,135.52/x
  3. Step 3: Cross multiply
    5,256.45x = 7,884.72 × 2,135.52
  4. Step 4: Simplify right side
    5,256.45x = 16,837,977.25
  5. Step 5: Solve for x
    x = 16,837,977.25/5,256.45
  6. Step 6: Final answer
    x = 3,203.30

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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.