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Finding the Fourth Proportional to 8,450.40, 12,677.40 and 2,607.60

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Solution

The fourth proportional to 8,450.40, 12,677.40 and 2,607.60 is: 3,911.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.40 : 12,677.40 = 2,607.60 : x
  2. Step 2: Convert to fraction form
    8,450.40/12,677.40 = 2,607.60/x
  3. Step 3: Cross multiply
    8,450.40x = 12,677.40 × 2,607.60
  4. Step 4: Simplify right side
    8,450.40x = 33,057,588.24
  5. Step 5: Solve for x
    x = 33,057,588.24/8,450.40
  6. Step 6: Final answer
    x = 3,911.96

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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.