Home / 7,489.72-11,236.66-2,873.08

Finding the Fourth Proportional to 7,489.72, 11,236.66 and 2,873.08

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Solution

The fourth proportional to 7,489.72, 11,236.66 and 2,873.08 is: 4,310.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.72 : 11,236.66 = 2,873.08 : x
  2. Step 2: Convert to fraction form
    7,489.72/11,236.66 = 2,873.08/x
  3. Step 3: Cross multiply
    7,489.72x = 11,236.66 × 2,873.08
  4. Step 4: Simplify right side
    7,489.72x = 32,283,823.11
  5. Step 5: Solve for x
    x = 32,283,823.11/7,489.72
  6. Step 6: Final answer
    x = 4,310.42

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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.