Home / 8,878.29-13,313.97-3,328.60

Finding the Fourth Proportional to 8,878.29, 13,313.97 and 3,328.60

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Solution

The fourth proportional to 8,878.29, 13,313.97 and 3,328.60 is: 4,991.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.29 : 13,313.97 = 3,328.60 : x
  2. Step 2: Convert to fraction form
    8,878.29/13,313.97 = 3,328.60/x
  3. Step 3: Cross multiply
    8,878.29x = 13,313.97 × 3,328.60
  4. Step 4: Simplify right side
    8,878.29x = 44,316,905.51
  5. Step 5: Solve for x
    x = 44,316,905.51/8,878.29
  6. Step 6: Final answer
    x = 4,991.61

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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.