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Finding the Fourth Proportional to 6,376.96, 8,800.40 and 3,859.53

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Solution

The fourth proportional to 6,376.96, 8,800.40 and 3,859.53 is: 5,326.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376.96 : 8,800.40 = 3,859.53 : x
  2. Step 2: Convert to fraction form
    6,376.96/8,800.40 = 3,859.53/x
  3. Step 3: Cross multiply
    6,376.96x = 8,800.40 × 3,859.53
  4. Step 4: Simplify right side
    6,376.96x = 33,965,412.25
  5. Step 5: Solve for x
    x = 33,965,412.25/6,376.96
  6. Step 6: Final answer
    x = 5,326.27

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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.