Home / 9,162.78-13,744.20-2,237.22

Finding the Fourth Proportional to 9,162.78, 13,744.20 and 2,237.22

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Solution

The fourth proportional to 9,162.78, 13,744.20 and 2,237.22 is: 3,355.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162.78 : 13,744.20 = 2,237.22 : x
  2. Step 2: Convert to fraction form
    9,162.78/13,744.20 = 2,237.22/x
  3. Step 3: Cross multiply
    9,162.78x = 13,744.20 × 2,237.22
  4. Step 4: Simplify right side
    9,162.78x = 30,748,799.12
  5. Step 5: Solve for x
    x = 30,748,799.12/9,162.78
  6. Step 6: Final answer
    x = 3,355.84

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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.