Home / 8,394.12-12,591.50-2,550.58

Finding the Fourth Proportional to 8,394.12, 12,591.50 and 2,550.58

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Solution

The fourth proportional to 8,394.12, 12,591.50 and 2,550.58 is: 3,825.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.12 : 12,591.50 = 2,550.58 : x
  2. Step 2: Convert to fraction form
    8,394.12/12,591.50 = 2,550.58/x
  3. Step 3: Cross multiply
    8,394.12x = 12,591.50 × 2,550.58
  4. Step 4: Simplify right side
    8,394.12x = 32,115,628.07
  5. Step 5: Solve for x
    x = 32,115,628.07/8,394.12
  6. Step 6: Final answer
    x = 3,825.97

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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.