Home / 8,399.39-12,600.95-2,556.45

Finding the Fourth Proportional to 8,399.39, 12,600.95 and 2,556.45

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Solution

The fourth proportional to 8,399.39, 12,600.95 and 2,556.45 is: 3,835.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.39 : 12,600.95 = 2,556.45 : x
  2. Step 2: Convert to fraction form
    8,399.39/12,600.95 = 2,556.45/x
  3. Step 3: Cross multiply
    8,399.39x = 12,600.95 × 2,556.45
  4. Step 4: Simplify right side
    8,399.39x = 32,213,685.85
  5. Step 5: Solve for x
    x = 32,213,685.85/8,399.39
  6. Step 6: Final answer
    x = 3,835.24

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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.