Home / 8,777.19-13,169.27-3,847.61

Finding the Fourth Proportional to 8,777.19, 13,169.27 and 3,847.61

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Solution

The fourth proportional to 8,777.19, 13,169.27 and 3,847.61 is: 5,772.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777.19 : 13,169.27 = 3,847.61 : x
  2. Step 2: Convert to fraction form
    8,777.19/13,169.27 = 3,847.61/x
  3. Step 3: Cross multiply
    8,777.19x = 13,169.27 × 3,847.61
  4. Step 4: Simplify right side
    8,777.19x = 50,670,129.86
  5. Step 5: Solve for x
    x = 50,670,129.86/8,777.19
  6. Step 6: Final answer
    x = 5,772.93

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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.