Home / 5,181.20-7,152.45-3,056.01

Finding the Fourth Proportional to 5,181.20, 7,152.45 and 3,056.01

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Solution

The fourth proportional to 5,181.20, 7,152.45 and 3,056.01 is: 4,218.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.20 : 7,152.45 = 3,056.01 : x
  2. Step 2: Convert to fraction form
    5,181.20/7,152.45 = 3,056.01/x
  3. Step 3: Cross multiply
    5,181.20x = 7,152.45 × 3,056.01
  4. Step 4: Simplify right side
    5,181.20x = 21,857,958.72
  5. Step 5: Solve for x
    x = 21,857,958.72/5,181.20
  6. Step 6: Final answer
    x = 4,218.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.