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Finding the Fourth Proportional to 8,544.87, 12,823.00 and 3,284.22

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Solution

The fourth proportional to 8,544.87, 12,823.00 and 3,284.22 is: 4,928.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.87 : 12,823.00 = 3,284.22 : x
  2. Step 2: Convert to fraction form
    8,544.87/12,823.00 = 3,284.22/x
  3. Step 3: Cross multiply
    8,544.87x = 12,823.00 × 3,284.22
  4. Step 4: Simplify right side
    8,544.87x = 42,113,592.94
  5. Step 5: Solve for x
    x = 42,113,592.94/8,544.87
  6. Step 6: Final answer
    x = 4,928.52

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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.