Home / 8,126.33-12,179.51-6,476.09

Finding the Fourth Proportional to 8,126.33, 12,179.51 and 6,476.09

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Solution

The fourth proportional to 8,126.33, 12,179.51 and 6,476.09 is: 9,706.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.33 : 12,179.51 = 6,476.09 : x
  2. Step 2: Convert to fraction form
    8,126.33/12,179.51 = 6,476.09/x
  3. Step 3: Cross multiply
    8,126.33x = 12,179.51 × 6,476.09
  4. Step 4: Simplify right side
    8,126.33x = 78,875,570.54
  5. Step 5: Solve for x
    x = 78,875,570.54/8,126.33
  6. Step 6: Final answer
    x = 9,706.17

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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.