Home / 8,579.01-12,865.78-2,734.25

Finding the Fourth Proportional to 8,579.01, 12,865.78 and 2,734.25

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Solution

The fourth proportional to 8,579.01, 12,865.78 and 2,734.25 is: 4,100.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579.01 : 12,865.78 = 2,734.25 : x
  2. Step 2: Convert to fraction form
    8,579.01/12,865.78 = 2,734.25/x
  3. Step 3: Cross multiply
    8,579.01x = 12,865.78 × 2,734.25
  4. Step 4: Simplify right side
    8,579.01x = 35,178,245.29
  5. Step 5: Solve for x
    x = 35,178,245.29/8,579.01
  6. Step 6: Final answer
    x = 4,100.50

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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.