Home / 8,450.40-12,677.64-2,607.12

Finding the Fourth Proportional to 8,450.40, 12,677.64 and 2,607.12

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Solution

The fourth proportional to 8,450.40, 12,677.64 and 2,607.12 is: 3,911.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.40 : 12,677.64 = 2,607.12 : x
  2. Step 2: Convert to fraction form
    8,450.40/12,677.64 = 2,607.12/x
  3. Step 3: Cross multiply
    8,450.40x = 12,677.64 × 2,607.12
  4. Step 4: Simplify right side
    8,450.40x = 33,052,128.80
  5. Step 5: Solve for x
    x = 33,052,128.80/8,450.40
  6. Step 6: Final answer
    x = 3,911.31

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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.