Home / 9,190.62-13,777.38-3,345.90

Finding the Fourth Proportional to 9,190.62, 13,777.38 and 3,345.90

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Solution

The fourth proportional to 9,190.62, 13,777.38 and 3,345.90 is: 5,015.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.62 : 13,777.38 = 3,345.90 : x
  2. Step 2: Convert to fraction form
    9,190.62/13,777.38 = 3,345.90/x
  3. Step 3: Cross multiply
    9,190.62x = 13,777.38 × 3,345.90
  4. Step 4: Simplify right side
    9,190.62x = 46,097,735.74
  5. Step 5: Solve for x
    x = 46,097,735.74/9,190.62
  6. Step 6: Final answer
    x = 5,015.74

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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.