Home / 8,790.78-13,184.19-2,550.81

Finding the Fourth Proportional to 8,790.78, 13,184.19 and 2,550.81

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Solution

The fourth proportional to 8,790.78, 13,184.19 and 2,550.81 is: 3,825.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.78 : 13,184.19 = 2,550.81 : x
  2. Step 2: Convert to fraction form
    8,790.78/13,184.19 = 2,550.81/x
  3. Step 3: Cross multiply
    8,790.78x = 13,184.19 × 2,550.81
  4. Step 4: Simplify right side
    8,790.78x = 33,630,363.69
  5. Step 5: Solve for x
    x = 33,630,363.69/8,790.78
  6. Step 6: Final answer
    x = 3,825.64

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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.