Home / 8,376.18-11,562.36-6,286.38

Finding the Fourth Proportional to 8,376.18, 11,562.36 and 6,286.38

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Solution

The fourth proportional to 8,376.18, 11,562.36 and 6,286.38 is: 8,677.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.18 : 11,562.36 = 6,286.38 : x
  2. Step 2: Convert to fraction form
    8,376.18/11,562.36 = 6,286.38/x
  3. Step 3: Cross multiply
    8,376.18x = 11,562.36 × 6,286.38
  4. Step 4: Simplify right side
    8,376.18x = 72,685,388.66
  5. Step 5: Solve for x
    x = 72,685,388.66/8,376.18
  6. Step 6: Final answer
    x = 8,677.63

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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.