Home / 6,111.20-9,171.54-2,824.64

Finding the Fourth Proportional to 6,111.20, 9,171.54 and 2,824.64

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Solution

The fourth proportional to 6,111.20, 9,171.54 and 2,824.64 is: 4,239.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,111.20 : 9,171.54 = 2,824.64 : x
  2. Step 2: Convert to fraction form
    6,111.20/9,171.54 = 2,824.64/x
  3. Step 3: Cross multiply
    6,111.20x = 9,171.54 × 2,824.64
  4. Step 4: Simplify right side
    6,111.20x = 25,906,298.75
  5. Step 5: Solve for x
    x = 25,906,298.75/6,111.20
  6. Step 6: Final answer
    x = 4,239.15

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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.