Home / 9,187.24-13,777.86-3,639.58

Finding the Fourth Proportional to 9,187.24, 13,777.86 and 3,639.58

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Solution

The fourth proportional to 9,187.24, 13,777.86 and 3,639.58 is: 5,458.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.24 : 13,777.86 = 3,639.58 : x
  2. Step 2: Convert to fraction form
    9,187.24/13,777.86 = 3,639.58/x
  3. Step 3: Cross multiply
    9,187.24x = 13,777.86 × 3,639.58
  4. Step 4: Simplify right side
    9,187.24x = 50,145,623.70
  5. Step 5: Solve for x
    x = 50,145,623.70/9,187.24
  6. Step 6: Final answer
    x = 5,458.18

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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.