Home / 8,100.62-11,178.84-4,563.86

Finding the Fourth Proportional to 8,100.62, 11,178.84 and 4,563.86

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Solution

The fourth proportional to 8,100.62, 11,178.84 and 4,563.86 is: 6,298.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.62 : 11,178.84 = 4,563.86 : x
  2. Step 2: Convert to fraction form
    8,100.62/11,178.84 = 4,563.86/x
  3. Step 3: Cross multiply
    8,100.62x = 11,178.84 × 4,563.86
  4. Step 4: Simplify right side
    8,100.62x = 51,018,604.83
  5. Step 5: Solve for x
    x = 51,018,604.83/8,100.62
  6. Step 6: Final answer
    x = 6,298.11

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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.