Home / 7,889.48-11,832.60-3,727.72

Finding the Fourth Proportional to 7,889.48, 11,832.60 and 3,727.72

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Solution

The fourth proportional to 7,889.48, 11,832.60 and 3,727.72 is: 5,590.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.48 : 11,832.60 = 3,727.72 : x
  2. Step 2: Convert to fraction form
    7,889.48/11,832.60 = 3,727.72/x
  3. Step 3: Cross multiply
    7,889.48x = 11,832.60 × 3,727.72
  4. Step 4: Simplify right side
    7,889.48x = 44,108,619.67
  5. Step 5: Solve for x
    x = 44,108,619.67/7,889.48
  6. Step 6: Final answer
    x = 5,590.81

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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.