Home / 8,164.20-11,266.38-4,627.56

Finding the Fourth Proportional to 8,164.20, 11,266.38 and 4,627.56

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Solution

The fourth proportional to 8,164.20, 11,266.38 and 4,627.56 is: 6,385.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,164.20 : 11,266.38 = 4,627.56 : x
  2. Step 2: Convert to fraction form
    8,164.20/11,266.38 = 4,627.56/x
  3. Step 3: Cross multiply
    8,164.20x = 11,266.38 × 4,627.56
  4. Step 4: Simplify right side
    8,164.20x = 52,135,849.43
  5. Step 5: Solve for x
    x = 52,135,849.43/8,164.20
  6. Step 6: Final answer
    x = 6,385.91

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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.