Home / 5,195.08-7,789.20-2,420.26

Finding the Fourth Proportional to 5,195.08, 7,789.20 and 2,420.26

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Solution

The fourth proportional to 5,195.08, 7,789.20 and 2,420.26 is: 3,628.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.08 : 7,789.20 = 2,420.26 : x
  2. Step 2: Convert to fraction form
    5,195.08/7,789.20 = 2,420.26/x
  3. Step 3: Cross multiply
    5,195.08x = 7,789.20 × 2,420.26
  4. Step 4: Simplify right side
    5,195.08x = 18,851,889.19
  5. Step 5: Solve for x
    x = 18,851,889.19/5,195.08
  6. Step 6: Final answer
    x = 3,628.80

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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.