Home / 8,400.27-12,601.76-2,555.50

Finding the Fourth Proportional to 8,400.27, 12,601.76 and 2,555.50

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Solution

The fourth proportional to 8,400.27, 12,601.76 and 2,555.50 is: 3,833.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400.27 : 12,601.76 = 2,555.50 : x
  2. Step 2: Convert to fraction form
    8,400.27/12,601.76 = 2,555.50/x
  3. Step 3: Cross multiply
    8,400.27x = 12,601.76 × 2,555.50
  4. Step 4: Simplify right side
    8,400.27x = 32,203,797.68
  5. Step 5: Solve for x
    x = 32,203,797.68/8,400.27
  6. Step 6: Final answer
    x = 3,833.66

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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.