Home / 4,388.13-6,579.99-1,921.86

Finding the Fourth Proportional to 4,388.13, 6,579.99 and 1,921.86

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Solution

The fourth proportional to 4,388.13, 6,579.99 and 1,921.86 is: 2,881.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,388.13 : 6,579.99 = 1,921.86 : x
  2. Step 2: Convert to fraction form
    4,388.13/6,579.99 = 1,921.86/x
  3. Step 3: Cross multiply
    4,388.13x = 6,579.99 × 1,921.86
  4. Step 4: Simplify right side
    4,388.13x = 12,645,819.58
  5. Step 5: Solve for x
    x = 12,645,819.58/4,388.13
  6. Step 6: Final answer
    x = 2,881.82

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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.