Home / 5,751.24-8,621.76-3,405.48

Finding the Fourth Proportional to 5,751.24, 8,621.76 and 3,405.48

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Solution

The fourth proportional to 5,751.24, 8,621.76 and 3,405.48 is: 5,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,751.24 : 8,621.76 = 3,405.48 : x
  2. Step 2: Convert to fraction form
    5,751.24/8,621.76 = 3,405.48/x
  3. Step 3: Cross multiply
    5,751.24x = 8,621.76 × 3,405.48
  4. Step 4: Simplify right side
    5,751.24x = 29,361,231.24
  5. Step 5: Solve for x
    x = 29,361,231.24/5,751.24
  6. Step 6: Final answer
    x = 5,105.20

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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.