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Finding the Fourth Proportional to 6,381.96, 8,808.96 and 4,260.56

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Solution

The fourth proportional to 6,381.96, 8,808.96 and 4,260.56 is: 5,880.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381.96 : 8,808.96 = 4,260.56 : x
  2. Step 2: Convert to fraction form
    6,381.96/8,808.96 = 4,260.56/x
  3. Step 3: Cross multiply
    6,381.96x = 8,808.96 × 4,260.56
  4. Step 4: Simplify right side
    6,381.96x = 37,531,102.62
  5. Step 5: Solve for x
    x = 37,531,102.62/6,381.96
  6. Step 6: Final answer
    x = 5,880.81

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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.