Home / 10,878.84-16,316.06-3,481.29

Finding the Fourth Proportional to 10,878.84, 16,316.06 and 3,481.29

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Solution

The fourth proportional to 10,878.84, 16,316.06 and 3,481.29 is: 5,221.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878.84 : 16,316.06 = 3,481.29 : x
  2. Step 2: Convert to fraction form
    10,878.84/16,316.06 = 3,481.29/x
  3. Step 3: Cross multiply
    10,878.84x = 16,316.06 × 3,481.29
  4. Step 4: Simplify right side
    10,878.84x = 56,800,919.11
  5. Step 5: Solve for x
    x = 56,800,919.11/10,878.84
  6. Step 6: Final answer
    x = 5,221.23

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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.