Home / 9,251.90-12,766.96-5,218.87

Finding the Fourth Proportional to 9,251.90, 12,766.96 and 5,218.87

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Solution

The fourth proportional to 9,251.90, 12,766.96 and 5,218.87 is: 7,201.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,251.90 : 12,766.96 = 5,218.87 : x
  2. Step 2: Convert to fraction form
    9,251.90/12,766.96 = 5,218.87/x
  3. Step 3: Cross multiply
    9,251.90x = 12,766.96 × 5,218.87
  4. Step 4: Simplify right side
    9,251.90x = 66,629,104.54
  5. Step 5: Solve for x
    x = 66,629,104.54/9,251.90
  6. Step 6: Final answer
    x = 7,201.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.