Home / 8,425.09-12,627.81-6,338.38

Finding the Fourth Proportional to 8,425.09, 12,627.81 and 6,338.38

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Solution

The fourth proportional to 8,425.09, 12,627.81 and 6,338.38 is: 9,500.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425.09 : 12,627.81 = 6,338.38 : x
  2. Step 2: Convert to fraction form
    8,425.09/12,627.81 = 6,338.38/x
  3. Step 3: Cross multiply
    8,425.09x = 12,627.81 × 6,338.38
  4. Step 4: Simplify right side
    8,425.09x = 80,039,858.35
  5. Step 5: Solve for x
    x = 80,039,858.35/8,425.09
  6. Step 6: Final answer
    x = 9,500.18

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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.