Home / 8,399.75-12,601.51-2,556.82

Finding the Fourth Proportional to 8,399.75, 12,601.51 and 2,556.82

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Solution

The fourth proportional to 8,399.75, 12,601.51 and 2,556.82 is: 3,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.75 : 12,601.51 = 2,556.82 : x
  2. Step 2: Convert to fraction form
    8,399.75/12,601.51 = 2,556.82/x
  3. Step 3: Cross multiply
    8,399.75x = 12,601.51 × 2,556.82
  4. Step 4: Simplify right side
    8,399.75x = 32,219,754.90
  5. Step 5: Solve for x
    x = 32,219,754.90/8,399.75
  6. Step 6: Final answer
    x = 3,835.80

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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.