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Finding the Fourth Proportional to 8,533.70, 12,799.62 and 2,687.12

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Solution

The fourth proportional to 8,533.70, 12,799.62 and 2,687.12 is: 4,030.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,533.70 : 12,799.62 = 2,687.12 : x
  2. Step 2: Convert to fraction form
    8,533.70/12,799.62 = 2,687.12/x
  3. Step 3: Cross multiply
    8,533.70x = 12,799.62 × 2,687.12
  4. Step 4: Simplify right side
    8,533.70x = 34,394,114.89
  5. Step 5: Solve for x
    x = 34,394,114.89/8,533.70
  6. Step 6: Final answer
    x = 4,030.39

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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.