Home / 9,129.08-13,693.62-3,285.54

Finding the Fourth Proportional to 9,129.08, 13,693.62 and 3,285.54

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Solution

The fourth proportional to 9,129.08, 13,693.62 and 3,285.54 is: 4,928.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.08 : 13,693.62 = 3,285.54 : x
  2. Step 2: Convert to fraction form
    9,129.08/13,693.62 = 3,285.54/x
  3. Step 3: Cross multiply
    9,129.08x = 13,693.62 × 3,285.54
  4. Step 4: Simplify right side
    9,129.08x = 44,990,936.25
  5. Step 5: Solve for x
    x = 44,990,936.25/9,129.08
  6. Step 6: Final answer
    x = 4,928.31

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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.