Home / 8,126.83-12,180.25-6,476.59

Finding the Fourth Proportional to 8,126.83, 12,180.25 and 6,476.59

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Solution

The fourth proportional to 8,126.83, 12,180.25 and 6,476.59 is: 9,706.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.83 : 12,180.25 = 6,476.59 : x
  2. Step 2: Convert to fraction form
    8,126.83/12,180.25 = 6,476.59/x
  3. Step 3: Cross multiply
    8,126.83x = 12,180.25 × 6,476.59
  4. Step 4: Simplify right side
    8,126.83x = 78,886,485.35
  5. Step 5: Solve for x
    x = 78,886,485.35/8,126.83
  6. Step 6: Final answer
    x = 9,706.92

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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.