Home / 8,450.06-12,678.05-3,773.39

Finding the Fourth Proportional to 8,450.06, 12,678.05 and 3,773.39

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Solution

The fourth proportional to 8,450.06, 12,678.05 and 3,773.39 is: 5,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.06 : 12,678.05 = 3,773.39 : x
  2. Step 2: Convert to fraction form
    8,450.06/12,678.05 = 3,773.39/x
  3. Step 3: Cross multiply
    8,450.06x = 12,678.05 × 3,773.39
  4. Step 4: Simplify right side
    8,450.06x = 47,839,173.13
  5. Step 5: Solve for x
    x = 47,839,173.13/8,450.06
  6. Step 6: Final answer
    x = 5,661.40

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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.