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Finding the Fourth Proportional to 8,209.58, 12,314.54 and 2,944.94

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Solution

The fourth proportional to 8,209.58, 12,314.54 and 2,944.94 is: 4,417.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209.58 : 12,314.54 = 2,944.94 : x
  2. Step 2: Convert to fraction form
    8,209.58/12,314.54 = 2,944.94/x
  3. Step 3: Cross multiply
    8,209.58x = 12,314.54 × 2,944.94
  4. Step 4: Simplify right side
    8,209.58x = 36,265,527.22
  5. Step 5: Solve for x
    x = 36,265,527.22/8,209.58
  6. Step 6: Final answer
    x = 4,417.47

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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.