Home / 8,316.38-12,466.34-3,388.88

Finding the Fourth Proportional to 8,316.38, 12,466.34 and 3,388.88

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Solution

The fourth proportional to 8,316.38, 12,466.34 and 3,388.88 is: 5,079.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.38 : 12,466.34 = 3,388.88 : x
  2. Step 2: Convert to fraction form
    8,316.38/12,466.34 = 3,388.88/x
  3. Step 3: Cross multiply
    8,316.38x = 12,466.34 × 3,388.88
  4. Step 4: Simplify right side
    8,316.38x = 42,246,913.35
  5. Step 5: Solve for x
    x = 42,246,913.35/8,316.38
  6. Step 6: Final answer
    x = 5,079.96

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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.