Home / 9,190.32-13,777.36-3,345.80

Finding the Fourth Proportional to 9,190.32, 13,777.36 and 3,345.80

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Solution

The fourth proportional to 9,190.32, 13,777.36 and 3,345.80 is: 5,015.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.32 : 13,777.36 = 3,345.80 : x
  2. Step 2: Convert to fraction form
    9,190.32/13,777.36 = 3,345.80/x
  3. Step 3: Cross multiply
    9,190.32x = 13,777.36 × 3,345.80
  4. Step 4: Simplify right side
    9,190.32x = 46,096,291.09
  5. Step 5: Solve for x
    x = 46,096,291.09/9,190.32
  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.