Home / 8,100.20-11,178.57-4,563.74

Finding the Fourth Proportional to 8,100.20, 11,178.57 and 4,563.74

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Solution

The fourth proportional to 8,100.20, 11,178.57 and 4,563.74 is: 6,298.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.20 : 11,178.57 = 4,563.74 : x
  2. Step 2: Convert to fraction form
    8,100.20/11,178.57 = 4,563.74/x
  3. Step 3: Cross multiply
    8,100.20x = 11,178.57 × 4,563.74
  4. Step 4: Simplify right side
    8,100.20x = 51,016,087.05
  5. Step 5: Solve for x
    x = 51,016,087.05/8,100.20
  6. Step 6: Final answer
    x = 6,298.13

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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.