Home / 9,162.38-13,742.87-2,922.14

Finding the Fourth Proportional to 9,162.38, 13,742.87 and 2,922.14

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Solution

The fourth proportional to 9,162.38, 13,742.87 and 2,922.14 is: 4,382.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162.38 : 13,742.87 = 2,922.14 : x
  2. Step 2: Convert to fraction form
    9,162.38/13,742.87 = 2,922.14/x
  3. Step 3: Cross multiply
    9,162.38x = 13,742.87 × 2,922.14
  4. Step 4: Simplify right side
    9,162.38x = 40,158,528.73
  5. Step 5: Solve for x
    x = 40,158,528.73/9,162.38
  6. Step 6: Final answer
    x = 4,382.98

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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.