Home / 8,400.68-12,596.22-2,555.56

Finding the Fourth Proportional to 8,400.68, 12,596.22 and 2,555.56

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Solution

The fourth proportional to 8,400.68, 12,596.22 and 2,555.56 is: 3,831.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400.68 : 12,596.22 = 2,555.56 : x
  2. Step 2: Convert to fraction form
    8,400.68/12,596.22 = 2,555.56/x
  3. Step 3: Cross multiply
    8,400.68x = 12,596.22 × 2,555.56
  4. Step 4: Simplify right side
    8,400.68x = 32,190,395.98
  5. Step 5: Solve for x
    x = 32,190,395.98/8,400.68
  6. Step 6: Final answer
    x = 3,831.88

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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.