Home / 8,236.87-12,352.52-2,688.84

Finding the Fourth Proportional to 8,236.87, 12,352.52 and 2,688.84

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Solution

The fourth proportional to 8,236.87, 12,352.52 and 2,688.84 is: 4,032.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.87 : 12,352.52 = 2,688.84 : x
  2. Step 2: Convert to fraction form
    8,236.87/12,352.52 = 2,688.84/x
  3. Step 3: Cross multiply
    8,236.87x = 12,352.52 × 2,688.84
  4. Step 4: Simplify right side
    8,236.87x = 33,213,956.60
  5. Step 5: Solve for x
    x = 33,213,956.60/8,236.87
  6. Step 6: Final answer
    x = 4,032.35

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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.