Home / 5,272.08-7,907.22-2,636.88

Finding the Fourth Proportional to 5,272.08, 7,907.22 and 2,636.88

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Solution

The fourth proportional to 5,272.08, 7,907.22 and 2,636.88 is: 3,954.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.08 : 7,907.22 = 2,636.88 : x
  2. Step 2: Convert to fraction form
    5,272.08/7,907.22 = 2,636.88/x
  3. Step 3: Cross multiply
    5,272.08x = 7,907.22 × 2,636.88
  4. Step 4: Simplify right side
    5,272.08x = 20,850,390.27
  5. Step 5: Solve for x
    x = 20,850,390.27/5,272.08
  6. Step 6: Final answer
    x = 3,954.87

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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.