Home / 4,579.18-6,851.76-2,731.30

Finding the Fourth Proportional to 4,579.18, 6,851.76 and 2,731.30

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Solution

The fourth proportional to 4,579.18, 6,851.76 and 2,731.30 is: 4,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.18 : 6,851.76 = 2,731.30 : x
  2. Step 2: Convert to fraction form
    4,579.18/6,851.76 = 2,731.30/x
  3. Step 3: Cross multiply
    4,579.18x = 6,851.76 × 2,731.30
  4. Step 4: Simplify right side
    4,579.18x = 18,714,212.09
  5. Step 5: Solve for x
    x = 18,714,212.09/4,579.18
  6. Step 6: Final answer
    x = 4,086.80

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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.