Home / 7,483.29-11,219.72-3,321.06

Finding the Fourth Proportional to 7,483.29, 11,219.72 and 3,321.06

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Solution

The fourth proportional to 7,483.29, 11,219.72 and 3,321.06 is: 4,979.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,483.29 : 11,219.72 = 3,321.06 : x
  2. Step 2: Convert to fraction form
    7,483.29/11,219.72 = 3,321.06/x
  3. Step 3: Cross multiply
    7,483.29x = 11,219.72 × 3,321.06
  4. Step 4: Simplify right side
    7,483.29x = 37,261,346.70
  5. Step 5: Solve for x
    x = 37,261,346.70/7,483.29
  6. Step 6: Final answer
    x = 4,979.27

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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.