Home / 5,433.40-8,147.70-2,512.60

Finding the Fourth Proportional to 5,433.40, 8,147.70 and 2,512.60

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Solution

The fourth proportional to 5,433.40, 8,147.70 and 2,512.60 is: 3,767.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.40 : 8,147.70 = 2,512.60 : x
  2. Step 2: Convert to fraction form
    5,433.40/8,147.70 = 2,512.60/x
  3. Step 3: Cross multiply
    5,433.40x = 8,147.70 × 2,512.60
  4. Step 4: Simplify right side
    5,433.40x = 20,471,911.02
  5. Step 5: Solve for x
    x = 20,471,911.02/5,433.40
  6. Step 6: Final answer
    x = 3,767.79

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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.