Home / 4,579.33-6,864.19-2,115.76

Finding the Fourth Proportional to 4,579.33, 6,864.19 and 2,115.76

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Solution

The fourth proportional to 4,579.33, 6,864.19 and 2,115.76 is: 3,171.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.33 : 6,864.19 = 2,115.76 : x
  2. Step 2: Convert to fraction form
    4,579.33/6,864.19 = 2,115.76/x
  3. Step 3: Cross multiply
    4,579.33x = 6,864.19 × 2,115.76
  4. Step 4: Simplify right side
    4,579.33x = 14,522,978.63
  5. Step 5: Solve for x
    x = 14,522,978.63/4,579.33
  6. Step 6: Final answer
    x = 3,171.42

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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.