Home / 5,195.99-7,789.64-2,421.23

Finding the Fourth Proportional to 5,195.99, 7,789.64 and 2,421.23

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Solution

The fourth proportional to 5,195.99, 7,789.64 and 2,421.23 is: 3,629.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.99 : 7,789.64 = 2,421.23 : x
  2. Step 2: Convert to fraction form
    5,195.99/7,789.64 = 2,421.23/x
  3. Step 3: Cross multiply
    5,195.99x = 7,789.64 × 2,421.23
  4. Step 4: Simplify right side
    5,195.99x = 18,860,497.95
  5. Step 5: Solve for x
    x = 18,860,497.95/5,195.99
  6. Step 6: Final answer
    x = 3,629.82

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1.5x scale

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.