Home / 5,501.76-8,255.04-2,579.80

Finding the Fourth Proportional to 5,501.76, 8,255.04 and 2,579.80

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Solution

The fourth proportional to 5,501.76, 8,255.04 and 2,579.80 is: 3,870.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,501.76 : 8,255.04 = 2,579.80 : x
  2. Step 2: Convert to fraction form
    5,501.76/8,255.04 = 2,579.80/x
  3. Step 3: Cross multiply
    5,501.76x = 8,255.04 × 2,579.80
  4. Step 4: Simplify right side
    5,501.76x = 21,296,352.19
  5. Step 5: Solve for x
    x = 21,296,352.19/5,501.76
  6. Step 6: Final answer
    x = 3,870.83

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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.