Home / 8,778.06-12,096.18-6,255.72

Finding the Fourth Proportional to 8,778.06, 12,096.18 and 6,255.72

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Solution

The fourth proportional to 8,778.06, 12,096.18 and 6,255.72 is: 8,620.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778.06 : 12,096.18 = 6,255.72 : x
  2. Step 2: Convert to fraction form
    8,778.06/12,096.18 = 6,255.72/x
  3. Step 3: Cross multiply
    8,778.06x = 12,096.18 × 6,255.72
  4. Step 4: Simplify right side
    8,778.06x = 75,670,315.15
  5. Step 5: Solve for x
    x = 75,670,315.15/8,778.06
  6. Step 6: Final answer
    x = 8,620.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.