Home / 8,407.80-11,592.72-6,168.96

Finding the Fourth Proportional to 8,407.80, 11,592.72 and 6,168.96

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Solution

The fourth proportional to 8,407.80, 11,592.72 and 6,168.96 is: 8,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,407.80 : 11,592.72 = 6,168.96 : x
  2. Step 2: Convert to fraction form
    8,407.80/11,592.72 = 6,168.96/x
  3. Step 3: Cross multiply
    8,407.80x = 11,592.72 × 6,168.96
  4. Step 4: Simplify right side
    8,407.80x = 71,515,025.97
  5. Step 5: Solve for x
    x = 71,515,025.97/8,407.80
  6. Step 6: Final answer
    x = 8,505.80

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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.