Home / 9,162.32-13,745.30-3,318.77

Finding the Fourth Proportional to 9,162.32, 13,745.30 and 3,318.77

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Solution

The fourth proportional to 9,162.32, 13,745.30 and 3,318.77 is: 4,978.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162.32 : 13,745.30 = 3,318.77 : x
  2. Step 2: Convert to fraction form
    9,162.32/13,745.30 = 3,318.77/x
  3. Step 3: Cross multiply
    9,162.32x = 13,745.30 × 3,318.77
  4. Step 4: Simplify right side
    9,162.32x = 45,617,507.05
  5. Step 5: Solve for x
    x = 45,617,507.05/9,162.32
  6. Step 6: Final answer
    x = 4,978.82

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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.