Home / 8,930.76-13,387.68-3,083.28

Finding the Fourth Proportional to 8,930.76, 13,387.68 and 3,083.28

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Solution

The fourth proportional to 8,930.76, 13,387.68 and 3,083.28 is: 4,622.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.76 : 13,387.68 = 3,083.28 : x
  2. Step 2: Convert to fraction form
    8,930.76/13,387.68 = 3,083.28/x
  3. Step 3: Cross multiply
    8,930.76x = 13,387.68 × 3,083.28
  4. Step 4: Simplify right side
    8,930.76x = 41,277,965.99
  5. Step 5: Solve for x
    x = 41,277,965.99/8,930.76
  6. Step 6: Final answer
    x = 4,622.00

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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.