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Finding the Fourth Proportional to 8,033.40, 12,050.10 and 7,450.20

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Solution

The fourth proportional to 8,033.40, 12,050.10 and 7,450.20 is: 11,175.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,033.40 : 12,050.10 = 7,450.20 : x
  2. Step 2: Convert to fraction form
    8,033.40/12,050.10 = 7,450.20/x
  3. Step 3: Cross multiply
    8,033.40x = 12,050.10 × 7,450.20
  4. Step 4: Simplify right side
    8,033.40x = 89,775,655.02
  5. Step 5: Solve for x
    x = 89,775,655.02/8,033.40
  6. Step 6: Final answer
    x = 11,175.30

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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.