Home / 8,318.19-12,466.49-3,382.08

Finding the Fourth Proportional to 8,318.19, 12,466.49 and 3,382.08

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Solution

The fourth proportional to 8,318.19, 12,466.49 and 3,382.08 is: 5,068.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.19 : 12,466.49 = 3,382.08 : x
  2. Step 2: Convert to fraction form
    8,318.19/12,466.49 = 3,382.08/x
  3. Step 3: Cross multiply
    8,318.19x = 12,466.49 × 3,382.08
  4. Step 4: Simplify right side
    8,318.19x = 42,162,649.59
  5. Step 5: Solve for x
    x = 42,162,649.59/8,318.19
  6. Step 6: Final answer
    x = 5,068.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.