Home / 5,231.48-7,847.18-1,335.86

Finding the Fourth Proportional to 5,231.48, 7,847.18 and 1,335.86

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Solution

The fourth proportional to 5,231.48, 7,847.18 and 1,335.86 is: 2,003.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.48 : 7,847.18 = 1,335.86 : x
  2. Step 2: Convert to fraction form
    5,231.48/7,847.18 = 1,335.86/x
  3. Step 3: Cross multiply
    5,231.48x = 7,847.18 × 1,335.86
  4. Step 4: Simplify right side
    5,231.48x = 10,482,733.87
  5. Step 5: Solve for x
    x = 10,482,733.87/5,231.48
  6. Step 6: Final answer
    x = 2,003.78

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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.