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Finding the Fourth Proportional to 8,133.40, 12,200.10 and 7,550.20

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Solution

The fourth proportional to 8,133.40, 12,200.10 and 7,550.20 is: 11,325.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.40 : 12,200.10 = 7,550.20 : x
  2. Step 2: Convert to fraction form
    8,133.40/12,200.10 = 7,550.20/x
  3. Step 3: Cross multiply
    8,133.40x = 12,200.10 × 7,550.20
  4. Step 4: Simplify right side
    8,133.40x = 92,113,195.02
  5. Step 5: Solve for x
    x = 92,113,195.02/8,133.40
  6. Step 6: Final answer
    x = 11,325.30

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Similar ratio
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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.